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// 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"
// Has to be the last include (doesn't have include guards):
#include "src/objects/object-macros.h"
namespace v8 {
namespace internal {
CAST_ACCESSOR(PropertyArray)
Object* PropertyArray::get(int index) const {
DCHECK_GE(index, 0);
DCHECK_LE(index, this->length());
return RELAXED_READ_FIELD(this, kHeaderSize + index * kPointerSize);
}
void PropertyArray::set(int index, Object* value) {
DCHECK(IsPropertyArray());
DCHECK_GE(index, 0);
DCHECK_LT(index, this->length());
int offset = kHeaderSize + index * kPointerSize;
RELAXED_WRITE_FIELD(this, offset, value);
WRITE_BARRIER(this, offset, value);
}
void PropertyArray::set(int index, Object* value, WriteBarrierMode mode) {
DCHECK_GE(index, 0);
DCHECK_LT(index, this->length());
int offset = kHeaderSize + index * kPointerSize;
RELAXED_WRITE_FIELD(this, offset, value);
CONDITIONAL_WRITE_BARRIER(this, offset, value, mode);
}
Object** PropertyArray::data_start() {
return HeapObject::RawField(this, 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) {
SLOW_DCHECK(len >= 0);
SLOW_DCHECK(len < 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_
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