1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/vm/NumberObject.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,46 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef vm_NumberObject_h
1.11 +#define vm_NumberObject_h
1.12 +
1.13 +#include "jsnum.h"
1.14 +
1.15 +namespace js {
1.16 +
1.17 +class NumberObject : public JSObject
1.18 +{
1.19 + /* Stores this Number object's [[PrimitiveValue]]. */
1.20 + static const unsigned PRIMITIVE_VALUE_SLOT = 0;
1.21 +
1.22 + public:
1.23 + static const unsigned RESERVED_SLOTS = 1;
1.24 +
1.25 + static const Class class_;
1.26 +
1.27 + /*
1.28 + * Creates a new Number object boxing the given number. The object's
1.29 + * [[Prototype]] is determined from context.
1.30 + */
1.31 + static inline NumberObject *create(JSContext *cx, double d);
1.32 +
1.33 + double unbox() const {
1.34 + return getFixedSlot(PRIMITIVE_VALUE_SLOT).toNumber();
1.35 + }
1.36 +
1.37 + private:
1.38 + inline void setPrimitiveValue(double d) {
1.39 + setFixedSlot(PRIMITIVE_VALUE_SLOT, NumberValue(d));
1.40 + }
1.41 +
1.42 + /* For access to init, as Number.prototype is special. */
1.43 + friend JSObject *
1.44 + ::js_InitNumberClass(JSContext *cx, js::HandleObject global);
1.45 +};
1.46 +
1.47 +} // namespace js
1.48 +
1.49 +#endif /* vm_NumberObject_h */
