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92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef jsbool_h___
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#define jsbool_h___
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/*
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* JS boolean interface.
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*/
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#include "jsapi.h"
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#include "jsobj.h"
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JS_BEGIN_EXTERN_C
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/*
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* Special values, not visible to script but used internally by the engine.
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*
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* JSVAL_HOLE is a useful value for identifying a hole in an array. It's also
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* used in the interpreter to represent "no exception pending". In general it
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* can be used to represent "no value".
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*
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* A JSVAL_HOLE can be cheaply converted to undefined without affecting any
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* other boolean (or special value) by masking out JSVAL_HOLE_FLAG.
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*
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* JSVAL_ARETURN is used to throw asynchronous return for generator.close().
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*
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* NB: SPECIAL_TO_JSVAL(2) is JSVAL_VOID (see jsapi.h).
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*/
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#define JSVAL_HOLE_FLAG jsval(4 << JSVAL_TAGBITS)
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#define JSVAL_HOLE (JSVAL_VOID | JSVAL_HOLE_FLAG)
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#define JSVAL_ARETURN SPECIAL_TO_JSVAL(8)
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extern JSClass js_BooleanClass;
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inline bool
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JSObject::isBoolean() const
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{
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return getClass() == &js_BooleanClass;
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}
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extern JSObject *
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js_InitBooleanClass(JSContext *cx, JSObject *obj);
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extern JSString *
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js_BooleanToString(JSContext *cx, JSBool b);
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extern JSBool
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js_BooleanToCharBuffer(JSContext *cx, JSBool b, JSCharBuffer &cb);
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extern JSBool
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js_ValueToBoolean(jsval v);
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JS_END_EXTERN_C
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#endif /* jsbool_h___ */
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