Subj : Re: Spidermonkey problem
To   : netscape.public.mozilla.jseng
From : Jan Herling
Date : Sun Jul 10 2005 01:11 am

Thank you Pete,

I understand what you mean.
Perhaps you could help me once more!

Is there a possibility to get an assign operator for an object itself?
Currently I'm doing this with a small hack: After create the object I 
set this object as a property of the parent object.
Therefore I'm using the JS_DefinePropertyWithTinyId function and set the 
getter and setter values.

But this only works with objects which I create before executing a 
script. Because I have to know the name of the object (therefore my last 
question) for the JS_DefinePropertyWithTinyId function.


Do you know a different way to implement this assign operator?


Greetings

Jan


Peter Wilson schrieb:
>  Objects don't have names - so no that's not possible.
> 
> The name is simply a 'reference' to that object so you can make use of 
> it. There can be multiple references to the same object:
>     var a,b,c
>     a = b = c = new Color
> 
> What's the 'name' of the new Color object?
> 
> If you are used to languages like 'C' then think of the names as 
> pointers to the underlying object.
> 
> Hope that helps
> Pete
> -- 
> Peter Wilson
> http://www.yellowhawk.co.uk --- http://www.whitebeam.org
> ---------------
> 
> Jan Herling wrote:
> 
>> Hallo,
>>
>> I would like to knonw if there is a possibility to get the name of a 
>> JS Object.
>>
>>
>> Details:
>>
>> I'm using Spidermonkey in my c++ project.
>> I defined my own class for JavaScript with name "Color".
>> This class has three properties "r", "g", "b".
>>
>> So for example I have the following script:
>>
>> function foo()
>> {
>>     var value = new Color();
>> }
>>
>> After executing the script the constructor of the Color-Class is called:
>> (in my c++ code)
>>
>> JSBool TColor::JSConstructor(JSContext *cx, JSObject *obj, uintN argc, 
>> jsval *argv, jsval *rval)
>> {
>>
>>
>> }
>>
>> Now I would like to get the name of the obj in the Script (In my 
>> example the name would be "value".
>>
>> Is this possible?
>> Perhaps a function: char* JS_GetName(obj);
>>
>> Greetings
>>
>> Jan
>>

.