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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"
#include "src/objects/heap-object-inl.h"
#include "src/objects/objects-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 {
#include "torque-generated/src/objects/property-array-tq-inl.inc"
TQ_OBJECT_CONSTRUCTORS_IMPL(PropertyArray)
SMI_ACCESSORS(PropertyArray, length_and_hash, kLengthAndHashOffset)
RELEASE_ACQUIRE_SMI_ACCESSORS(PropertyArray, length_and_hash,
kLengthAndHashOffset)
Object PropertyArray::get(int index) const {
PtrComprCageBase cage_base = GetPtrComprCageBase(*this);
return get(cage_base, index);
}
Object PropertyArray::get(PtrComprCageBase cage_base, int index) const {
DCHECK_LT(static_cast<unsigned>(index),
static_cast<unsigned>(this->length(kAcquireLoad)));
return TaggedField<Object>::Relaxed_Load(cage_base, *this,
OffsetOfElementAt(index));
}
Object PropertyArray::get(int index, SeqCstAccessTag tag) const {
PtrComprCageBase cage_base = GetPtrComprCageBase(*this);
return get(cage_base, index, tag);
}
Object PropertyArray::get(PtrComprCageBase cage_base, int index,
SeqCstAccessTag tag) const {
DCHECK_LT(static_cast<unsigned>(index),
static_cast<unsigned>(this->length(kAcquireLoad)));
return TaggedField<Object>::SeqCst_Load(cage_base, *this,
OffsetOfElementAt(index));
}
void PropertyArray::set(int index, Object value) {
DCHECK(IsPropertyArray());
DCHECK_LT(static_cast<unsigned>(index),
static_cast<unsigned>(this->length(kAcquireLoad)));
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(kAcquireLoad)));
int offset = OffsetOfElementAt(index);
RELAXED_WRITE_FIELD(*this, offset, value);
CONDITIONAL_WRITE_BARRIER(*this, offset, value, mode);
}
void PropertyArray::set(int index, Object value, SeqCstAccessTag tag) {
DCHECK(IsPropertyArray());
DCHECK_LT(static_cast<unsigned>(index),
static_cast<unsigned>(this->length(kAcquireLoad)));
DCHECK(value.IsShared());
int offset = OffsetOfElementAt(index);
SEQ_CST_WRITE_FIELD(*this, offset, value);
CONDITIONAL_WRITE_BARRIER(*this, offset, value, UPDATE_WRITE_BARRIER);
}
Object PropertyArray::Swap(int index, Object value, SeqCstAccessTag tag) {
PtrComprCageBase cage_base = GetPtrComprCageBase(*this);
return Swap(cage_base, index, value, tag);
}
Object PropertyArray::Swap(PtrComprCageBase cage_base, int index, Object value,
SeqCstAccessTag tag) {
DCHECK(IsPropertyArray());
DCHECK_LT(static_cast<unsigned>(index),
static_cast<unsigned>(this->length(kAcquireLoad)));
DCHECK(value.IsShared());
Object result = TaggedField<Object>::SeqCst_Swap(
cage_base, *this, OffsetOfElementAt(index), value);
CONDITIONAL_WRITE_BARRIER(*this, OffsetOfElementAt(index), value,
UPDATE_WRITE_BARRIER);
return result;
}
ObjectSlot PropertyArray::data_start() { return RawField(kHeaderSize); }
int PropertyArray::length() const {
return LengthField::decode(length_and_hash());
}
void PropertyArray::initialize_length(int len) {
DCHECK(LengthField::is_valid(len));
set_length_and_hash(len);
}
int PropertyArray::length(AcquireLoadTag) const {
return LengthField::decode(length_and_hash(kAcquireLoad));
}
int PropertyArray::Hash() const { return HashField::decode(length_and_hash()); }
void PropertyArray::SetHash(int hash) {
int value = length_and_hash();
value = HashField::update(value, hash);
set_length_and_hash(value, kReleaseStore);
}
void PropertyArray::CopyElements(Isolate* isolate, int dst_index,
PropertyArray src, int src_index, int len,
WriteBarrierMode mode) {
if (len == 0) return;
DisallowGarbageCollection no_gc;
ObjectSlot dst_slot(data_start() + dst_index);
ObjectSlot src_slot(src.data_start() + src_index);
isolate->heap()->CopyRange(*this, dst_slot, src_slot, len, mode);
}
} // namespace internal
} // namespace v8
#include "src/objects/object-macros-undef.h"
#endif // V8_OBJECTS_PROPERTY_ARRAY_INL_H_
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