| // Copyright 2018 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_OBJECTS_PROPERTY_ARRAY_INL_H_ |
| #define V8_OBJECTS_PROPERTY_ARRAY_INL_H_ |
| |
| #include "src/objects/property-array.h" |
| |
| #include "src/heap/heap-write-barrier-inl.h" |
| #include "src/objects/heap-object-inl.h" |
| #include "src/objects/smi-inl.h" |
| |
| // Has to be the last include (doesn't have include guards): |
| #include "src/objects/object-macros.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| OBJECT_CONSTRUCTORS_IMPL(PropertyArray, HeapObjectPtr) |
| CAST_ACCESSOR2(PropertyArray) |
| |
| Object* PropertyArray::get(int index) const { |
| DCHECK_LT(static_cast<unsigned>(index), |
| static_cast<unsigned>(this->length())); |
| return RELAXED_READ_FIELD(this, OffsetOfElementAt(index)); |
| } |
| |
| void PropertyArray::set(int index, Object* value) { |
| DCHECK(IsPropertyArray()); |
| DCHECK_LT(static_cast<unsigned>(index), |
| static_cast<unsigned>(this->length())); |
| int offset = OffsetOfElementAt(index); |
| RELAXED_WRITE_FIELD(this, offset, value); |
| WRITE_BARRIER(this, offset, value); |
| } |
| |
| void PropertyArray::set(int index, Object* value, WriteBarrierMode mode) { |
| DCHECK_LT(static_cast<unsigned>(index), |
| static_cast<unsigned>(this->length())); |
| int offset = OffsetOfElementAt(index); |
| RELAXED_WRITE_FIELD(this, offset, value); |
| CONDITIONAL_WRITE_BARRIER(this, offset, value, mode); |
| } |
| |
| ObjectSlot PropertyArray::data_start() { return RawField(kHeaderSize); } |
| |
| int PropertyArray::length() const { |
| Object* value_obj = READ_FIELD(this, kLengthAndHashOffset); |
| int value = Smi::ToInt(value_obj); |
| return LengthField::decode(value); |
| } |
| |
| void PropertyArray::initialize_length(int len) { |
| DCHECK_LT(static_cast<unsigned>(len), |
| static_cast<unsigned>(LengthField::kMax)); |
| WRITE_FIELD(this, kLengthAndHashOffset, Smi::FromInt(len)); |
| } |
| |
| int PropertyArray::synchronized_length() const { |
| Object* value_obj = ACQUIRE_READ_FIELD(this, kLengthAndHashOffset); |
| int value = Smi::ToInt(value_obj); |
| return LengthField::decode(value); |
| } |
| |
| int PropertyArray::Hash() const { |
| Object* value_obj = READ_FIELD(this, kLengthAndHashOffset); |
| int value = Smi::ToInt(value_obj); |
| return HashField::decode(value); |
| } |
| |
| void PropertyArray::SetHash(int hash) { |
| Object* value_obj = READ_FIELD(this, kLengthAndHashOffset); |
| int value = Smi::ToInt(value_obj); |
| value = HashField::update(value, hash); |
| WRITE_FIELD(this, kLengthAndHashOffset, Smi::FromInt(value)); |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #include "src/objects/object-macros-undef.h" |
| |
| #endif // V8_OBJECTS_PROPERTY_ARRAY_INL_H_ |