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-rw-r--r--js/src/vm/NumberObject.h47
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diff --git a/js/src/vm/NumberObject.h b/js/src/vm/NumberObject.h
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+/* -*- 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 */