1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : * vim: set ts=8 sw=4 et tw=78:
3 : *
4 : * ***** BEGIN LICENSE BLOCK *****
5 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 : *
7 : * The contents of this file are subject to the Mozilla Public License Version
8 : * 1.1 (the "License"); you may not use this file except in compliance with
9 : * the License. You may obtain a copy of the License at
10 : * http://www.mozilla.org/MPL/
11 : *
12 : * Software distributed under the License is distributed on an "AS IS" basis,
13 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14 : * for the specific language governing rights and limitations under the
15 : * License.
16 : *
17 : * The Original Code is SpiderMonkey boolean object code.
18 : *
19 : * The Initial Developer of the Original Code is
20 : * the Mozilla Foundation.
21 : * Portions created by the Initial Developer are Copyright (C) 2011
22 : * the Initial Developer. All Rights Reserved.
23 : *
24 : * Contributor(s):
25 : * Terrence Cole <tcole+code@mozilla.com> (original author)
26 : *
27 : * Alternatively, the contents of this file may be used under the terms of
28 : * either of the GNU General Public License Version 2 or later (the "GPL"),
29 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 : * in which case the provisions of the GPL or the LGPL are applicable instead
31 : * of those above. If you wish to allow use of your version of this file only
32 : * under the terms of either the GPL or the LGPL, and not to allow others to
33 : * use your version of this file under the terms of the MPL, indicate your
34 : * decision by deleting the provisions above and replace them with the notice
35 : * and other provisions required by the GPL or the LGPL. If you do not delete
36 : * the provisions above, a recipient may use your version of this file under
37 : * the terms of any one of the MPL, the GPL or the LGPL.
38 : *
39 : * ***** END LICENSE BLOCK ***** */
40 :
41 : #ifndef BooleanObject_h___
42 : #define BooleanObject_h___
43 :
44 : #include "mozilla/Attributes.h"
45 :
46 : #include "jsbool.h"
47 :
48 : namespace js {
49 :
50 : class BooleanObject : public JSObject
51 : {
52 : /* Stores this Boolean object's [[PrimitiveValue]]. */
53 : static const unsigned PRIMITIVE_VALUE_SLOT = 0;
54 :
55 : public:
56 : static const unsigned RESERVED_SLOTS = 1;
57 :
58 : /*
59 : * Creates a new Boolean object boxing the given primitive bool. The
60 : * object's [[Prototype]] is determined from context.
61 : */
62 : static inline BooleanObject *create(JSContext *cx, bool b);
63 :
64 : /*
65 : * Identical to create(), but uses |proto| as [[Prototype]]. This method
66 : * must not be used to create |Boolean.prototype|.
67 : */
68 : static inline BooleanObject *createWithProto(JSContext *cx, bool b, JSObject &proto);
69 :
70 225 : bool unbox() const {
71 225 : return getFixedSlot(PRIMITIVE_VALUE_SLOT).toBoolean();
72 : }
73 :
74 : private:
75 6600 : inline void setPrimitiveValue(bool b) {
76 6600 : setFixedSlot(PRIMITIVE_VALUE_SLOT, BooleanValue(b));
77 6600 : }
78 :
79 : /* For access to init, as Boolean.prototype is special. */
80 : friend JSObject *
81 : ::js_InitBooleanClass(JSContext *cx, JSObject *global);
82 :
83 : private:
84 : BooleanObject() MOZ_DELETE;
85 : BooleanObject &operator=(const BooleanObject &bo) MOZ_DELETE;
86 : };
87 :
88 : } // namespace js
89 :
90 : #endif /* BooleanObject_h__ */
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