/[jscoverage]/trunk/js/jsbool.h
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Annotation of /trunk/js/jsbool.h

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Revision 507 - (hide annotations)
Sun Jan 10 07:23:34 2010 UTC (9 years, 10 months ago) by siliconforks
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Update SpiderMonkey from Firefox 3.6rc1.

1 siliconforks 332 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2     *
3     * ***** BEGIN LICENSE BLOCK *****
4     * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5     *
6     * The contents of this file are subject to the Mozilla Public License Version
7     * 1.1 (the "License"); you may not use this file except in compliance with
8     * the License. You may obtain a copy of the License at
9     * http://www.mozilla.org/MPL/
10     *
11     * Software distributed under the License is distributed on an "AS IS" basis,
12     * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13     * for the specific language governing rights and limitations under the
14     * License.
15     *
16     * The Original Code is Mozilla Communicator client code, released
17     * March 31, 1998.
18     *
19     * The Initial Developer of the Original Code is
20     * Netscape Communications Corporation.
21     * Portions created by the Initial Developer are Copyright (C) 1998
22     * the Initial Developer. All Rights Reserved.
23     *
24     * Contributor(s):
25     *
26     * Alternatively, the contents of this file may be used under the terms of
27     * either of the GNU General Public License Version 2 or later (the "GPL"),
28     * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29     * in which case the provisions of the GPL or the LGPL are applicable instead
30     * of those above. If you wish to allow use of your version of this file only
31     * under the terms of either the GPL or the LGPL, and not to allow others to
32     * use your version of this file under the terms of the MPL, indicate your
33     * decision by deleting the provisions above and replace them with the notice
34     * and other provisions required by the GPL or the LGPL. If you do not delete
35     * the provisions above, a recipient may use your version of this file under
36     * the terms of any one of the MPL, the GPL or the LGPL.
37     *
38     * ***** END LICENSE BLOCK ***** */
39    
40     #ifndef jsbool_h___
41     #define jsbool_h___
42     /*
43     * JS boolean interface.
44     */
45    
46 siliconforks 460 #include "jsapi.h"
47    
48 siliconforks 332 JS_BEGIN_EXTERN_C
49    
50     /*
51 siliconforks 507 * Special values, not visible to script but used internally by the engine.
52 siliconforks 332 *
53     * JSVAL_HOLE is a useful value for identifying a hole in an array. It's also
54     * used in the interpreter to represent "no exception pending". In general it
55     * can be used to represent "no value".
56     *
57 siliconforks 460 * A JSVAL_HOLE can be cheaply converted to undefined without affecting any
58 siliconforks 507 * other boolean (or special value) by masking out JSVAL_HOLE_FLAG.
59 siliconforks 460 *
60 siliconforks 332 * JSVAL_ARETURN is used to throw asynchronous return for generator.close().
61     *
62 siliconforks 507 * NB: SPECIAL_TO_JSVAL(2) is JSVAL_VOID (see jsapi.h).
63 siliconforks 332 */
64 siliconforks 460 #define JSVAL_HOLE_FLAG jsval(4 << JSVAL_TAGBITS)
65     #define JSVAL_HOLE (JSVAL_VOID | JSVAL_HOLE_FLAG)
66 siliconforks 507 #define JSVAL_ARETURN SPECIAL_TO_JSVAL(8)
67 siliconforks 332
68     extern JSClass js_BooleanClass;
69    
70     extern JSObject *
71     js_InitBooleanClass(JSContext *cx, JSObject *obj);
72    
73     extern JSString *
74     js_BooleanToString(JSContext *cx, JSBool b);
75    
76     extern JSBool
77 siliconforks 507 js_BooleanToCharBuffer(JSContext *cx, JSBool b, JSCharBuffer &cb);
78    
79     extern JSBool
80 siliconforks 332 js_ValueToBoolean(jsval v);
81    
82     JS_END_EXTERN_C
83    
84     #endif /* jsbool_h___ */

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