1 files changed, 83 insertions, 0 deletions
diff --git a/deps/v8/src/objects/property-array-inl.h b/deps/v8/src/objects/property-array-inl.h
new file mode 100644
index 0000000000..cb157db5d6
--- /dev/null
+++ b/deps/v8/src/objects/property-array-inl.h
@@ -0,0 +1,83 @@
+// 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_