blob: b9c83a9f1265719030646db0683a1b0630f9f361 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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 */
|