Re: j2s-development] Java 5 internal type conversion bug!

[Soheil H. Y. <soh...@gm...>]

Thanx for your great work!
yes, you're right! But, I think partial support would be better than
no support. I think this is enough for the uses.
Regards,
Soheil

On 6/15/06, Josson Smith <jo...@sj...> wrote:
> Some bugs of autoboxing are fixed. Check out codes, please.
>
> But there are lots of others leaving unfixed. For example:
> Float f = new Float(324.0);
> f++;
> System.out.println(f);
>
> It seems that autoboxing and primitive types have lots of critical
> differences for Java and JavaScript. And that there will be endless
> bugs. So I think I should list autoboxing as the big thing in the defect
> list.
>
>
> Soheil Hassas Yeganeh wrote:
> > yes! exactly!
> >
> > On 6/11/06, Josson Smith <jo...@sj...> wrote:
> >
> >> Now I get the point.
> >>
> >> It seems that Java2Script compiler should compile
> >> m.put ("x", 1);
> >> into
> >> m.put("x", new Integer(1));
> >> for all those autoboxing methods
> >>
> >> /js
> >>
> >> Soheil Hassas Yeganeh wrote:
> >>
> >>> I'm agreed with your points. But, I'm arguing about something different.
> >>>
> >>> Consider the example I've told before :
> >>> Map m = new HashMap();
> >>> m.put("x", 1); // Now works with m.put("x", new Integer(1));
> >>> if( m.get("x") instanceof Integer){
> >>> System.out.println("J2S Works!");
> >>> }
> >>> System.out.println(((Integer)m.get("x")).intValue()); // ***
> >>> ...
> >>> When the number is constructed with Integer constructor call, J2S
> >>> works. But, without the initialization it does not.
> >>> In other words, in Java 5, 1 is instance of Integer, 1l is insatnce of
> >>> Long, 1d is intanceof Double, and false is instance of Boolean,
> >>> without any constructor call.
> >>> But as you said, there are no differences between Integer.intValue()
> >>> and Double.doubleValue() of 1 in javascript. I think at least we have
> >>> to propose proper classes for them.
> >>> Suppose the *** line, J2S will say intValue is not found!
> >>>
> >>> Regards,
> >>> Soheil
> >>>
> >>>
> >>> _______________________________________________
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> >>>
> >>>
> >>>
> >>>
> >>
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> >>
> >>
> >
> >
> > _______________________________________________
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> >
> >
> >
>
>
> --
> Regards
>
> /js
>
>
>
>
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