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/* -*- 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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|
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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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|
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#include "jsapi.h" |
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|
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JS_BEGIN_EXTERN_C |
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|
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/* |
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* Pseudo-booleans, 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 pseudo boolean) by masking out JSVAL_HOLE_MASK. |
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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: PSEUDO_BOOLEAN_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 PSEUDO_BOOLEAN_TO_JSVAL(8) |
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|
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static JS_ALWAYS_INLINE JSBool |
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JSVAL_TO_PUBLIC_PSEUDO_BOOLEAN(jsval v) |
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{ |
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JS_ASSERT(v == JSVAL_TRUE || v == JSVAL_FALSE || v == JSVAL_VOID); |
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return JSVAL_TO_PSEUDO_BOOLEAN(v); |
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} |
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|
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extern JSClass 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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|
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extern JSString * |
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js_BooleanToString(JSContext *cx, JSBool b); |
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|
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extern JSBool |
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js_ValueToBoolean(jsval v); |
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|
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JS_END_EXTERN_C |
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|
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#endif /* jsbool_h___ */ |
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