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From Roland Zwaga <>
Subject Re: Writable AST and Code generation for Falcon was: [Re: [jira] [Commented] (FLEX-33330) ... )
Date Sat, 29 Dec 2012 14:46:27 GMT
> AOP is as well something many of us would want to have available in Flex.
> AOP and metadata allows you to decouple code, add/remove functionality
> easily across all your application, and create behaviours that can be
> configured to modify the existing code at runtime...this and much more can
> be done with AOP. Swiz framework get a valid and usable AOP implementation
> for a framework, but it had the problem that was relying on some flash
> player debugger, so it was not ready for production.

Hi Carlos,

Swiz was actually using as3commons-bytecode under the hood to generate its
proxy classes,
I'm not aware of any dependency on the debugger player. The only
disadvantage as3commons-bytecode
had was, in order to generate the proxy classes, it had to first parse the
loaded SWF file.
In debug mode this was indeed pretty slow, in release mode it was
acceptable, but I did recommend
people to split their code into modules, so that the AOP functionality
didn't have to parse a huge SWF
file just to generate 5 proxies. So, AOP @runtime was quite limited in its
possibilities at that time.

Mind you, the only reason why I had to parse the existing SWF was because
the Flash player doesn't provide
a complete set of reflection data for classes and methods. Had the
reflection data been complete, the
parsing wouldn't have been necessary and runtime proxy generation would
have been an enormous amount
faster. (Definitely usable for production)



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