| // 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_CELL_H_ |
| #define V8_OBJECTS_CELL_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 { |
| |
| class Cell : public HeapObjectPtr { |
| public: |
| // [value]: value of the cell. |
| DECL_ACCESSORS(value, Object) |
| |
| DECL_CAST2(Cell) |
| |
| static inline Cell FromValueAddress(Address value); |
| |
| inline Address ValueAddress() { return address() + kValueOffset; } |
| |
| // Dispatched behavior. |
| DECL_PRINTER(Cell) |
| DECL_VERIFIER(Cell) |
| |
| // Layout description. |
| static const int kValueOffset = HeapObject::kHeaderSize; |
| static const int kSize = kValueOffset + kPointerSize; |
| |
| typedef FixedBodyDescriptor<kValueOffset, kValueOffset + kPointerSize, kSize> |
| BodyDescriptor; |
| |
| OBJECT_CONSTRUCTORS(Cell, HeapObjectPtr); |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #include "src/objects/object-macros-undef.h" |
| |
| #endif // V8_OBJECTS_CELL_H_ |