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Rhino: patch for IdScriptable.java and question about useDynamicScope
Date:
Mon, 16 Apr 2001 17:55:19 +0200
From:
Igor Bukanov <igor.bukanov@windriver.com>
Organization:
Wind River
To:
Norris Boyd <nboyd@atg.com>
Hi, Norris!
Here is a patch to IdScriptable.java that fixes sealed semantic and
makes Something.prototype.constructor to behave just as having DONTENUM
attribute, not DONTENUM|READONLY|PERMANENT. It also renames
seal_function to sealFunctions.
I also have a following question. I added nextInstanceCheck to
IdScriptable.java and its usage in realThis in NativeDate to emulate
code from FunctionObject where it looks up prototype in search for
NativeSomething instance if useDynamicScope is true. But could you
describe why it is necessary? I can understand why doing something like
var proto = new Date();
function Test() { }
Test.prototype = proto;
var test = new Test();
print(test.getDay()); // same as proto.getDay()
would be useful in ceratain situations, but what it has to do with
shared scopes?
Regards, Igor
<html> <!-- - The contents of this file are subject to the Netscape Public - License Version 1.1 (the "License"); you may not use this file - except in compliance with the License. You may obtain a copy of - the License at http://www.mozilla.org/NPL/ - - Software distributed under the License is distributed on an "AS - IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or - implied. See the License for the specific language governing - rights and limitations under the License. - - The Original Code is Rhino code, released - May 6, 1999. - - The Initial Developer of the Original Code is Netscape - Communications Corporation. Portions created by Netscape are - Copyright (C) 1998-1999 Netscape Communications Corporation. All - Rights Reserved. - - Contributor(s): - Norris Boyd - - Alternatively, the contents of this file may be used under the - terms of the GNU Public License (the "GPL"), in which case the - provisions of the GPL are applicable instead of those above. - If you wish to allow use of your version of this file only - under the terms of the GPL and not to allow others to use your - version of this file under the NPL, indicate your decision by - deleting the provisions above and replace them with the notice - and other provisions required by the GPL. If you do not delete - the provisions above, a recipient may use your version of this - file under either the NPL or the GPL. --> <body> <h1> <span CLASS=LXRSHORTDESC> Rhino: JavaScript in Java<p> </span> </h1> <span CLASS=LXRLONGDESC> Rhino is an implementation of JavaScript in Java. Documentation can be found <a href="http://www.mozilla.org/js/rhino/rhino.html">here</a>. </span> </body> </html>