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