Are you explicitly requesting override in your boxmodel mixin?

On 2009-12-04, at 17:28, Max Carlson wrote:

> BTW, this is causing compiler errors in swf10 for me, e.g.:
> org.openlaszlo.sc.CompilerError: boxmodel.lzx: 40: Error: Method marked 
> override must override another method, in line: override function 
> $lzc$set_margin ($0) {
> 
> The method is invalid because it's not actually overriding anything on view...
> 
> P T Withington wrote:
>> Yeah, you are right.  This was sloppiness on my part.
>> I think the right fix is for you to add a 'kind' attribute to ScriptClass, 
>> so that mixins and interfaces do not get emitted as js 'class', but have 
>> their appropriate type instead.  Then it is up to the script compiler 
>> back-end to decide what to do with mixins and interfaces, which hopefully it 
>> already does correctly.
>> On 2009-12-04, at 13:31, Henry Minsky wrote:
>>> While I'm tracking down the instance mixin bug with nested views, I was
>>> noticing that when we declare a mixin
>>> in LZX, we are emitting an actual class declaration for it into the output
>>> object file.
>>> 
>>> e.g., in source code you have
>>> 
>>>  <mixin name="boxmodel">
>>> ...
>>> </mixin
>>> 
>>> And that ends up emitting script code for
>>> 
>>>                          dynamic class $lzc$class_boxmodel extends LzView
>>> { ... }
>>> 
>>> But is it really necessary to actually have the mixin  class as an
>>> instantiable class at runtime? People aren't ever expected to instantiate
>>> a mixin by itself, right? And the script compiler copies  out the methods
>>> and attributes to construct interstitial
>>> classes at compile time,  so  we don't actually need to emit an actual class
>>> definition for the mixin class itself into the output file?
>>> It wouldn't save much space in practice I guess, since most apps  don't have
>>> a lot of mixins declared, but it would reduce the object file a little
>>> if we didn't put these in..
>>> 
>>> 
>>> 
>>> -- 
>>> Henry Minsky
>>> Software Architect
>>> [email protected]
> 
> -- 
> Regards,
> Max Carlson
> OpenLaszlo.org


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