| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| * This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| #ifndef vm_NumberObject_h |
| #define vm_NumberObject_h |
| |
| #include "jsnum.h" |
| |
| namespace js { |
| |
| class NumberObject : public NativeObject |
| { |
| /* Stores this Number object's [[PrimitiveValue]]. */ |
| static const unsigned PRIMITIVE_VALUE_SLOT = 0; |
| |
| public: |
| static const unsigned RESERVED_SLOTS = 1; |
| |
| static const Class class_; |
| |
| /* |
| * Creates a new Number object boxing the given number. |
| * If proto is nullptr, then Number.prototype will be used instead. |
| */ |
| static inline NumberObject* create(JSContext* cx, double d, |
| HandleObject proto = nullptr); |
| |
| double unbox() const { |
| return getFixedSlot(PRIMITIVE_VALUE_SLOT).toNumber(); |
| } |
| |
| private: |
| inline void setPrimitiveValue(double d) { |
| setFixedSlot(PRIMITIVE_VALUE_SLOT, NumberValue(d)); |
| } |
| |
| /* For access to init, as Number.prototype is special. */ |
| friend JSObject* |
| js::InitNumberClass(JSContext* cx, HandleObject global); |
| }; |
| |
| } // namespace js |
| |
| #endif /* vm_NumberObject_h */ |