[Laszlo-dev] bug with optional/rest args in compiler

[P T Withington]

I'm running into this too now.  I think this is hi-prio to track down.

On 2008-03-29, at 21:32 EDT, Donald Anderson wrote:
> Sounds like an interaction between the injection of the
> function prologue to handle variable args, and the
> insertion of 'with (this)'.
>
> On Mar 29, 2008, at 9:13 PM, Henry Minsky wrote:
>
>> I tracked down a  bug I was seeing to this change, if I make the  
>> args in lps/components/base/basebutton.lzx on the "showUp()" method  
>> into "...rest" or "sd=null", then
>> I get an error at runtime
>>
>>
>> ERROR @base/basebutton.lzx#212: reference to undefined variable  
>> '_enabled'
>>
>> But if I change the reference from "_enabled" to "this._enabled",  
>> then it works:
>>
>>        <method name="showUp" args="...rest"> <![CDATA[
>>            if (!this._enabled && this.disabledResourceNumber) {
>>           ^^^^^^^^^^^
>>                this.setResourceNumber( this.disabledResourceNumber );
>>            } else {
>>                this.setResourceNumber( this.normalResourceNumber );
>>            }
>>        ]]>
>>
>>
>> So what is it about the optional-args transformation that would be  
>> making the implicit "this" fail in swf8/dhtml?
>>
>>
>>
>>
>> -- 
>> Henry Minsky
>> Software Architect
>> hminsky at laszlosystems.com
>>
>
>
> --
>
> Don Anderson
> Java/C/C++, Berkeley DB, systems consultant
>
> voice: 617-547-7881
> email: dda at ddanderson.com
> www: http://www.ddanderson.com
>
>
>
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