Index: src/objects-inl.h |
diff --git a/src/objects-inl.h b/src/objects-inl.h |
index fc43120019280f4dd8cda4cea7db2c4883e278ec..6480596fba2068fde02811f53f2b5d12d8b2413d 100644 |
--- a/src/objects-inl.h |
+++ b/src/objects-inl.h |
@@ -843,8 +843,24 @@ bool Object::IsBoolean() const { |
TYPE_CHECKER(JSArray, JS_ARRAY_TYPE) |
-TYPE_CHECKER(JSArrayBuffer, JS_ARRAY_BUFFER_TYPE) |
-TYPE_CHECKER(JSTypedArray, JS_TYPED_ARRAY_TYPE) |
+ |
+ |
+bool Object::IsJSArrayBuffer() const { |
+ if (!IsHeapObject()) return false; |
+ |
+ InstanceType type = HeapObject::cast(this)->map()->instance_type(); |
+ return type == JS_ARRAY_BUFFER_TYPE || type == JS_SHARED_ARRAY_BUFFER_TYPE; |
+} |
+ |
+ |
+bool Object::IsJSTypedArray() const { |
+ if (!IsHeapObject()) return false; |
+ |
+ InstanceType type = HeapObject::cast(this)->map()->instance_type(); |
+ return type == JS_TYPED_ARRAY_TYPE || type == JS_SHARED_TYPED_ARRAY_TYPE; |
+} |
+ |
+ |
TYPE_CHECKER(JSDataView, JS_DATA_VIEW_TYPE) |
@@ -1967,8 +1983,10 @@ int JSObject::GetHeaderSize() { |
case JS_ARRAY_TYPE: |
return JSArray::kSize; |
case JS_ARRAY_BUFFER_TYPE: |
+ case JS_SHARED_ARRAY_BUFFER_TYPE: |
return JSArrayBuffer::kSize; |
case JS_TYPED_ARRAY_TYPE: |
+ case JS_SHARED_TYPED_ARRAY_TYPE: |
return JSTypedArray::kSize; |
case JS_DATA_VIEW_TYPE: |
return JSDataView::kSize; |
@@ -6484,6 +6502,11 @@ void JSArrayBuffer::set_was_neutered(bool value) { |
} |
+bool JSArrayBuffer::is_shared() { |
+ return map()->instance_type() == JS_SHARED_ARRAY_BUFFER_TYPE; |
+} |
+ |
+ |
Object* JSArrayBufferView::byte_offset() const { |
if (WasNeutered()) return Smi::FromInt(0); |
return Object::cast(READ_FIELD(this, kByteOffsetOffset)); |
@@ -6520,6 +6543,11 @@ bool JSArrayBufferView::WasNeutered() const { |
} |
+bool JSArrayBufferView::is_shared() const { |
+ return map()->instance_type() == JS_SHARED_TYPED_ARRAY_TYPE; |
+} |
+ |
+ |
Object* JSTypedArray::length() const { |
if (WasNeutered()) return Smi::FromInt(0); |
return Object::cast(READ_FIELD(this, kLengthOffset)); |