| Index: runtime/vm/object.cc
|
| diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
|
| index 6f7c50511ac2f8d3055ced1f108d940d5e1d603d..45448f5a902837820c80a28acd71ecb9ec7db8fb 100644
|
| --- a/runtime/vm/object.cc
|
| +++ b/runtime/vm/object.cc
|
| @@ -4459,7 +4459,7 @@ RawString* TypeArguments::SubvectorName(intptr_t from_index,
|
| bool TypeArguments::IsSubvectorEquivalent(const TypeArguments& other,
|
| intptr_t from_index,
|
| intptr_t len,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| if (this->raw() == other.raw()) {
|
| return true;
|
| }
|
| @@ -4656,7 +4656,7 @@ bool TypeArguments::IsResolved() const {
|
|
|
| bool TypeArguments::IsSubvectorInstantiated(intptr_t from_index,
|
| intptr_t len,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| ASSERT(!IsNull());
|
| AbstractType& type = AbstractType::Handle();
|
| for (intptr_t i = 0; i < len; i++) {
|
| @@ -4814,7 +4814,7 @@ bool TypeArguments::IsBounded() const {
|
| RawTypeArguments* TypeArguments::InstantiateFrom(
|
| const TypeArguments& instantiator_type_arguments,
|
| Error* bound_error,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| ASSERT(!IsInstantiated());
|
| if (!instantiator_type_arguments.IsNull() &&
|
| IsUninstantiatedIdentity() &&
|
| @@ -5048,7 +5048,7 @@ RawTypeArguments* TypeArguments::CloneUnfinalized() const {
|
|
|
| RawTypeArguments* TypeArguments::CloneUninstantiated(
|
| const Class& new_owner,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| ASSERT(!IsNull());
|
| ASSERT(IsFinalized());
|
| ASSERT(!IsInstantiated());
|
| @@ -5068,8 +5068,7 @@ RawTypeArguments* TypeArguments::CloneUninstantiated(
|
| }
|
|
|
|
|
| -RawTypeArguments* TypeArguments::Canonicalize(
|
| - GrowableObjectArray* trail) const {
|
| +RawTypeArguments* TypeArguments::Canonicalize(TrailPtr trail) const {
|
| if (IsNull() || IsCanonical()) {
|
| ASSERT(IsOld());
|
| return this->raw();
|
| @@ -14806,7 +14805,7 @@ intptr_t AbstractType::token_pos() const {
|
| }
|
|
|
|
|
| -bool AbstractType::IsInstantiated(GrowableObjectArray* trail) const {
|
| +bool AbstractType::IsInstantiated(TrailPtr trail) const {
|
| // AbstractType is an abstract class.
|
| UNREACHABLE();
|
| return false;
|
| @@ -14861,8 +14860,7 @@ void AbstractType::set_error(const LanguageError& value) const {
|
| }
|
|
|
|
|
| -bool AbstractType::IsEquivalent(const Instance& other,
|
| - GrowableObjectArray* trail) const {
|
| +bool AbstractType::IsEquivalent(const Instance& other, TrailPtr trail) const {
|
| // AbstractType is an abstract class.
|
| UNREACHABLE();
|
| return false;
|
| @@ -14879,7 +14877,7 @@ bool AbstractType::IsRecursive() const {
|
| RawAbstractType* AbstractType::InstantiateFrom(
|
| const TypeArguments& instantiator_type_arguments,
|
| Error* bound_error,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| // AbstractType is an abstract class.
|
| UNREACHABLE();
|
| return NULL;
|
| @@ -14894,46 +14892,49 @@ RawAbstractType* AbstractType::CloneUnfinalized() const {
|
|
|
|
|
| RawAbstractType* AbstractType::CloneUninstantiated(
|
| - const Class& new_owner,
|
| - GrowableObjectArray* trail) const {
|
| + const Class& new_owner, TrailPtr trail) const {
|
| // AbstractType is an abstract class.
|
| UNREACHABLE();
|
| return NULL;
|
| }
|
|
|
|
|
| -RawAbstractType* AbstractType::Canonicalize(GrowableObjectArray* trail) const {
|
| +RawAbstractType* AbstractType::Canonicalize(TrailPtr trail) const {
|
| // AbstractType is an abstract class.
|
| UNREACHABLE();
|
| return NULL;
|
| }
|
|
|
|
|
| -RawObject* AbstractType::OnlyBuddyInTrail(GrowableObjectArray* trail) const {
|
| +RawAbstractType* AbstractType::OnlyBuddyInTrail(TrailPtr trail) const {
|
| if (trail == NULL) {
|
| - return Object::null();
|
| + return AbstractType::null();
|
| }
|
| - const intptr_t len = trail->Length();
|
| + const intptr_t len = trail->length();
|
| ASSERT((len % 2) == 0);
|
| for (intptr_t i = 0; i < len; i += 2) {
|
| - if (trail->At(i) == this->raw()) {
|
| - ASSERT(trail->At(i + 1) != Object::null());
|
| - return trail->At(i + 1);
|
| + ASSERT(trail->At(i)->IsZoneHandle());
|
| + ASSERT(trail->At(i + 1)->IsZoneHandle());
|
| + if (trail->At(i)->raw() == this->raw()) {
|
| + ASSERT(!trail->At(i + 1)->IsNull());
|
| + return trail->At(i + 1)->raw();
|
| }
|
| }
|
| - return Object::null();
|
| + return AbstractType::null();
|
| }
|
|
|
|
|
| -void AbstractType::AddOnlyBuddyToTrail(GrowableObjectArray** trail,
|
| - const Object& buddy) const {
|
| +void AbstractType::AddOnlyBuddyToTrail(TrailPtr* trail,
|
| + const AbstractType& buddy) const {
|
| if (*trail == NULL) {
|
| - *trail = &GrowableObjectArray::ZoneHandle(GrowableObjectArray::New());
|
| + *trail = new Trail(4);
|
| } else {
|
| - ASSERT(OnlyBuddyInTrail(*trail) == Object::null());
|
| + ASSERT(OnlyBuddyInTrail(*trail) == AbstractType::null());
|
| }
|
| - (*trail)->Add(*this);
|
| - (*trail)->Add(buddy);
|
| + AbstractType& t = AbstractType::ZoneHandle(this->raw());
|
| + AbstractType& b = AbstractType::ZoneHandle(buddy.raw());
|
| + (*trail)->Add(&t);
|
| + (*trail)->Add(&b);
|
| }
|
|
|
|
|
| @@ -15438,7 +15439,7 @@ RawTypeArguments* Type::arguments() const {
|
| }
|
|
|
|
|
| -bool Type::IsInstantiated(GrowableObjectArray* trail) const {
|
| +bool Type::IsInstantiated(TrailPtr trail) const {
|
| if (raw_ptr()->type_state_ == RawType::kFinalizedInstantiated) {
|
| return true;
|
| }
|
| @@ -15472,7 +15473,7 @@ bool Type::IsInstantiated(GrowableObjectArray* trail) const {
|
| RawAbstractType* Type::InstantiateFrom(
|
| const TypeArguments& instantiator_type_arguments,
|
| Error* bound_error,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| ASSERT(IsFinalized() || IsBeingFinalized());
|
| ASSERT(!IsInstantiated());
|
| // Return the uninstantiated type unchanged if malformed. No copy needed.
|
| @@ -15518,8 +15519,7 @@ RawAbstractType* Type::InstantiateFrom(
|
| }
|
|
|
|
|
| -bool Type::IsEquivalent(const Instance& other,
|
| - GrowableObjectArray* trail) const {
|
| +bool Type::IsEquivalent(const Instance& other, TrailPtr trail) const {
|
| ASSERT(!IsNull());
|
| if (raw() == other.raw()) {
|
| return true;
|
| @@ -15614,7 +15614,7 @@ RawAbstractType* Type::CloneUnfinalized() const {
|
|
|
|
|
| RawAbstractType* Type::CloneUninstantiated(const Class& new_owner,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| ASSERT(IsFinalized());
|
| ASSERT(!IsMalformed());
|
| if (IsInstantiated()) {
|
| @@ -15641,7 +15641,7 @@ RawAbstractType* Type::CloneUninstantiated(const Class& new_owner,
|
| }
|
|
|
|
|
| -RawAbstractType* Type::Canonicalize(GrowableObjectArray* trail) const {
|
| +RawAbstractType* Type::Canonicalize(TrailPtr trail) const {
|
| ASSERT(IsFinalized());
|
| if (IsCanonical() || IsMalformed()) {
|
| ASSERT(IsMalformed() || TypeArguments::Handle(arguments()).IsOld());
|
| @@ -15889,7 +15889,7 @@ void Type::PrintJSONImpl(JSONStream* stream, bool ref) const {
|
| }
|
|
|
|
|
| -bool TypeRef::IsInstantiated(GrowableObjectArray* trail) const {
|
| +bool TypeRef::IsInstantiated(TrailPtr trail) const {
|
| if (TestAndAddToTrail(&trail)) {
|
| return true;
|
| }
|
| @@ -15897,12 +15897,14 @@ bool TypeRef::IsInstantiated(GrowableObjectArray* trail) const {
|
| }
|
|
|
|
|
| -bool TypeRef::IsEquivalent(const Instance& other,
|
| - GrowableObjectArray* trail) const {
|
| +bool TypeRef::IsEquivalent(const Instance& other, TrailPtr trail) const {
|
| if (raw() == other.raw()) {
|
| return true;
|
| }
|
| - if (TestAndAddBuddyToTrail(&trail, other)) {
|
| + if (!other.IsAbstractType()) {
|
| + return false;
|
| + }
|
| + if (TestAndAddBuddyToTrail(&trail, AbstractType::Cast(other))) {
|
| return true;
|
| }
|
| return AbstractType::Handle(type()).IsEquivalent(other, trail);
|
| @@ -15912,7 +15914,7 @@ bool TypeRef::IsEquivalent(const Instance& other,
|
| RawTypeRef* TypeRef::InstantiateFrom(
|
| const TypeArguments& instantiator_type_arguments,
|
| Error* bound_error,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| TypeRef& instantiated_type_ref = TypeRef::Handle();
|
| instantiated_type_ref ^= OnlyBuddyInTrail(trail);
|
| if (!instantiated_type_ref.IsNull()) {
|
| @@ -15931,7 +15933,7 @@ RawTypeRef* TypeRef::InstantiateFrom(
|
|
|
|
|
| RawTypeRef* TypeRef::CloneUninstantiated(const Class& new_owner,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| TypeRef& cloned_type_ref = TypeRef::Handle();
|
| cloned_type_ref ^= OnlyBuddyInTrail(trail);
|
| if (!cloned_type_ref.IsNull()) {
|
| @@ -15959,7 +15961,7 @@ void TypeRef::set_type(const AbstractType& value) const {
|
| // Consider the type Derived, where class Derived extends Base<Derived>.
|
| // The first type argument of its flattened type argument vector is Derived,
|
| // represented by a TypeRef pointing to itself.
|
| -RawAbstractType* TypeRef::Canonicalize(GrowableObjectArray* trail) const {
|
| +RawAbstractType* TypeRef::Canonicalize(TrailPtr trail) const {
|
| if (TestAndAddToTrail(&trail)) {
|
| return raw();
|
| }
|
| @@ -15980,38 +15982,43 @@ intptr_t TypeRef::Hash() const {
|
| }
|
|
|
|
|
| -bool TypeRef::TestAndAddToTrail(GrowableObjectArray** trail) const {
|
| +bool TypeRef::TestAndAddToTrail(TrailPtr* trail) const {
|
| if (*trail == NULL) {
|
| - *trail = &GrowableObjectArray::ZoneHandle(GrowableObjectArray::New());
|
| + *trail = new Trail(4);
|
| } else {
|
| - const intptr_t len = (*trail)->Length();
|
| + const intptr_t len = (*trail)->length();
|
| for (intptr_t i = 0; i < len; i++) {
|
| - if ((*trail)->At(i) == this->raw()) {
|
| + if ((*trail)->At(i)->raw() == this->raw()) {
|
| return true;
|
| }
|
| }
|
| }
|
| - (*trail)->Add(*this);
|
| + AbstractType& t = AbstractType::ZoneHandle(this->raw());
|
| + (*trail)->Add(&t);
|
| return false;
|
| }
|
|
|
|
|
| -bool TypeRef::TestAndAddBuddyToTrail(GrowableObjectArray** trail,
|
| - const Object& buddy) const {
|
| +bool TypeRef::TestAndAddBuddyToTrail(TrailPtr* trail,
|
| + const AbstractType& buddy) const {
|
| if (*trail == NULL) {
|
| - *trail = &GrowableObjectArray::ZoneHandle(GrowableObjectArray::New());
|
| + *trail = new Trail(4);
|
| } else {
|
| - const intptr_t len = (*trail)->Length();
|
| + const intptr_t len = (*trail)->length();
|
| ASSERT((len % 2) == 0);
|
| for (intptr_t i = 0; i < len; i += 2) {
|
| - if (((*trail)->At(i) == this->raw()) &&
|
| - ((*trail)->At(i + 1) == buddy.raw())) {
|
| + ASSERT((*trail)->At(i)->IsZoneHandle());
|
| + ASSERT((*trail)->At(i + 1)->IsZoneHandle());
|
| + if (((*trail)->At(i)->raw() == this->raw()) &&
|
| + ((*trail)->At(i + 1)->raw() == buddy.raw())) {
|
| return true;
|
| }
|
| }
|
| }
|
| - (*trail)->Add(*this);
|
| - (*trail)->Add(buddy);
|
| + AbstractType& t = AbstractType::ZoneHandle(this->raw());
|
| + AbstractType& b = AbstractType::ZoneHandle(buddy.raw());
|
| + (*trail)->Add(&t);
|
| + (*trail)->Add(&b);
|
| return false;
|
| }
|
|
|
| @@ -16074,8 +16081,7 @@ void TypeParameter::set_is_finalized() const {
|
| }
|
|
|
|
|
| -bool TypeParameter::IsEquivalent(const Instance& other,
|
| - GrowableObjectArray* trail) const {
|
| +bool TypeParameter::IsEquivalent(const Instance& other, TrailPtr trail) const {
|
| if (raw() == other.raw()) {
|
| return true;
|
| }
|
| @@ -16127,7 +16133,7 @@ void TypeParameter::set_bound(const AbstractType& value) const {
|
| RawAbstractType* TypeParameter::InstantiateFrom(
|
| const TypeArguments& instantiator_type_arguments,
|
| Error* bound_error,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| ASSERT(IsFinalized());
|
| if (instantiator_type_arguments.IsNull()) {
|
| return Type::DynamicType();
|
| @@ -16203,8 +16209,7 @@ RawAbstractType* TypeParameter::CloneUnfinalized() const {
|
|
|
|
|
| RawAbstractType* TypeParameter::CloneUninstantiated(
|
| - const Class& new_owner,
|
| - GrowableObjectArray* trail) const {
|
| + const Class& new_owner, TrailPtr trail) const {
|
| ASSERT(IsFinalized());
|
| AbstractType& upper_bound = AbstractType::Handle(bound());
|
| upper_bound = upper_bound.CloneUninstantiated(new_owner, trail);
|
| @@ -16327,8 +16332,7 @@ RawLanguageError* BoundedType::error() const {
|
| }
|
|
|
|
|
| -bool BoundedType::IsEquivalent(const Instance& other,
|
| - GrowableObjectArray* trail) const {
|
| +bool BoundedType::IsEquivalent(const Instance& other, TrailPtr trail) const {
|
| // BoundedType are not canonicalized, because their bound may get finalized
|
| // after the BoundedType is created and initialized.
|
| if (raw() == other.raw()) {
|
| @@ -16392,7 +16396,7 @@ void BoundedType::set_type_parameter(const TypeParameter& value) const {
|
| RawAbstractType* BoundedType::InstantiateFrom(
|
| const TypeArguments& instantiator_type_arguments,
|
| Error* bound_error,
|
| - GrowableObjectArray* trail) const {
|
| + TrailPtr trail) const {
|
| ASSERT(IsFinalized());
|
| AbstractType& bounded_type = AbstractType::Handle(type());
|
| ASSERT(bounded_type.IsFinalized());
|
| @@ -16448,8 +16452,7 @@ RawAbstractType* BoundedType::CloneUnfinalized() const {
|
|
|
|
|
| RawAbstractType* BoundedType::CloneUninstantiated(
|
| - const Class& new_owner,
|
| - GrowableObjectArray* trail) const {
|
| + const Class& new_owner, TrailPtr trail) const {
|
| if (IsInstantiated()) {
|
| return raw();
|
| }
|
|
|