// Copyright 2019 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_PRIMITIVE_HEAP_OBJECT_H_ #define V8_OBJECTS_PRIMITIVE_HEAP_OBJECT_H_ #include "src/objects/heap-object.h" // Has to be the last include (doesn't have include guards): #include "src/objects/object-macros.h" namespace v8 { namespace internal { // An abstract superclass for classes representing JavaScript primitive values // other than Smi. It doesn't carry any functionality but allows primitive // classes to be identified in the type system. V8_OBJECT class PrimitiveHeapObject : public HeapObjectLayout { … } V8_OBJECT_END; static_assert …; static_assert(is_subtype_v<PrimitiveHeapObject, HeapObject>); } // namespace internal } // namespace v8 #include "src/objects/object-macros-undef.h" #endif // V8_OBJECTS_PRIMITIVE_HEAP_OBJECT_H_