js/src/vm/NumberObject.h@6474c204b198 (annotated)
js/src/vm/NumberObject.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * vim: set ts=8 sts=4 et sw=4 tw=99: |
| michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef vm_NumberObject_h |
| michael@0 | 8 | #define vm_NumberObject_h |
| michael@0 | 9 | |
| michael@0 | 10 | #include "jsnum.h" |
| michael@0 | 11 | |
| michael@0 | 12 | namespace js { |
| michael@0 | 13 | |
| michael@0 | 14 | class NumberObject : public JSObject |
| michael@0 | 15 | { |
| michael@0 | 16 | /* Stores this Number object's [[PrimitiveValue]]. */ |
| michael@0 | 17 | static const unsigned PRIMITIVE_VALUE_SLOT = 0; |
| michael@0 | 18 | |
| michael@0 | 19 | public: |
| michael@0 | 20 | static const unsigned RESERVED_SLOTS = 1; |
| michael@0 | 21 | |
| michael@0 | 22 | static const Class class_; |
| michael@0 | 23 | |
| michael@0 | 24 | /* |
| michael@0 | 25 | * Creates a new Number object boxing the given number. The object's |
| michael@0 | 26 | * [[Prototype]] is determined from context. |
| michael@0 | 27 | */ |
| michael@0 | 28 | static inline NumberObject *create(JSContext *cx, double d); |
| michael@0 | 29 | |
| michael@0 | 30 | double unbox() const { |
| michael@0 | 31 | return getFixedSlot(PRIMITIVE_VALUE_SLOT).toNumber(); |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | private: |
| michael@0 | 35 | inline void setPrimitiveValue(double d) { |
| michael@0 | 36 | setFixedSlot(PRIMITIVE_VALUE_SLOT, NumberValue(d)); |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | /* For access to init, as Number.prototype is special. */ |
| michael@0 | 40 | friend JSObject * |
| michael@0 | 41 | ::js_InitNumberClass(JSContext *cx, js::HandleObject global); |
| michael@0 | 42 | }; |
| michael@0 | 43 | |
| michael@0 | 44 | } // namespace js |
| michael@0 | 45 | |
| michael@0 | 46 | #endif /* vm_NumberObject_h */ |
