Understood, Andy.  Should I create an issue so that we can track this?

> On May 14, 2019, at 10:14 AM, Andy Clement <andrew.clem...@gmail.com> wrote:
> 
> I would probably need to see a lot of demand before exploring an ajc like 
> experience for Kotlin. It would be a very large amount of effort and binary 
> weaving of the class files can get you a long way. If I had cycles to work on 
> the compile time experience I'd probably prefer to put that into improving 
> the annotation based model, but I know that isn't great for folks relying on 
> inter type declarations and static checking at compile time.
> 
> cheers,
> Andy
> 
> On Tue, 14 May 2019 at 06:46, Matthew Adams <matt...@matthewadams.me 
> <mailto:matt...@matthewadams.me>> wrote:
> No, Martin, I’m not experiencing these problems, and my mentioning Spring was 
> tangential.
> 
> I’m basically asking that ajc support Kotlin source files.
> 
>> On May 13, 2019, at 5:43 PM, Martin Gainty <mgai...@hotmail.com 
>> <mailto:mgai...@hotmail.com>> wrote:
>> 
>> from what i see its not a matter of spring like or dislike..its a matter of 
>> keeping JDK class file consist
>> 
>> aj => .java => .class
>> 
>> kt => .java => .class
>> 
>> but this same scenario goes fubar when you switch JDKs ..this is an example
>> 
>> aj => 1_dot_eight.java => 1_dot_eight.class
>> 
>> kt  => 1_dot_nine.java => 1_dot_none.class
>> 
>> because spring is native compiled to 1.8 class format ..all .aj and all .kt 
>> dsl files will compile to 1.8 class
>> access to class files in jar is no problem 
>> doing reflection e.g. Class.forName(One_dot_eight); also no problem
>> 
>> things fall apart quickly with aj, kt or .java files when you mix 1.8 class 
>> files with 1.9 class files
>> 
>> (1.9 lambda functions fubar on accessing 1.8 class files)
>> 
>> maven folk say full compile the whole lot to your runtime JDK will 
>> supposedly cure this scenario
>> 
>> is this what you're experiencing?
>> 
>> martin-
>> https://stackoverflow.com/questions/36780990/convert-inter-type-declaraton-from-aj-to-java-with-aspect-annotations
>>  
>> <https://stackoverflow.com/questions/36780990/convert-inter-type-declaraton-from-aj-to-java-with-aspect-annotations>
>> https://stackoverflow.com/questions/34957430/how-to-convert-a-kotlin-source-file-to-a-java-source-file
>>  
>> <https://stackoverflow.com/questions/34957430/how-to-convert-a-kotlin-source-file-to-a-java-source-file>
>>  
>> <https://stackoverflow.com/questions/34957430/how-to-convert-a-kotlin-source-file-to-a-java-source-file>
>>     
>> How to convert a kotlin source file to a java source file - Stack Overflow - 
>> Stack Overflow - Where Developers Learn, Share, & Build Careers 
>> <https://stackoverflow.com/questions/34957430/how-to-convert-a-kotlin-source-file-to-a-java-source-file>
>> To convert a Kotlin source file to a Java source file you need to (when you 
>> in Android Studio):. Press Cmd-Shift-A on a Mac, or press Ctrl-Shift-A on a 
>> Windows machine.. Type the action you're looking for: Kotlin Bytecode and 
>> choose Show Kotlin Bytecode from menu. Press Decompile button on the top of 
>> Kotlin Bytecode panel.; Now you get a Decompiled Java file along with Kotlin 
>> file in a ...
>> stackoverflow.com <http://stackoverflow.com/>
>> 
>>  
>> <https://stackoverflow.com/questions/36780990/convert-inter-type-declaraton-from-aj-to-java-with-aspect-annotations>
>>         
>> aop - Convert Inter-Type declaraton from .aj to .java with Aspect 
>> annotations - Stack Overflow - Stack Overflow - Where Developers Learn, 
>> Share, & Build Careers 
>> <https://stackoverflow.com/questions/36780990/convert-inter-type-declaraton-from-aj-to-java-with-aspect-annotations>
>> What you want is not possible with @AspectJ style, you need to use the more 
>> powerful native syntax. (Why do you want to switch anyway?) The reason 
>> behind this is that the Java compiler can only convert @DeclareParents to a 
>> form in which Village is a subclass of whatever interface implementation you 
>> define in your aspect, for example something like this:
>> stackoverflow.com <http://stackoverflow.com/>
>> 
>> From: aspectj-users-boun...@eclipse.org 
>> <mailto:aspectj-users-boun...@eclipse.org> 
>> <aspectj-users-boun...@eclipse.org 
>> <mailto:aspectj-users-boun...@eclipse.org>> on behalf of Matthew Adams 
>> <matt...@matthewadams.me <mailto:matt...@matthewadams.me>>
>> Sent: Monday, May 13, 2019 5:53 PM
>> To: aspectj-users@eclipse.org <mailto:aspectj-users@eclipse.org>
>> Subject: [aspectj-users] Formal support for Kotlin?
>>  
>> Hi all,
>> 
>> I’ve been doing some googling around to see what I can find with regard to 
>> using AspectJ with Kotlin.  Things don’t look particularly great at first 
>> glance:  
>> https://stackoverflow.com/questions/44364633/aspectj-doesnt-work-with-kotlin 
>> <https://stackoverflow.com/questions/44364633/aspectj-doesnt-work-with-kotlin>
>> 
>> There are of course many more hits, but it appears the current state of the 
>> art is to compile with kotlin, then apply AspectJ to the kotlin .class files.
>> 
>> Problem is, we have some libraries that we can only compile via ajc due to 
>> their design, so I’m wondering what thought has been given to adding kotlin 
>> language support to ajc.  I didn’t see any issues requesting Kotlin language 
>> support in ajc so far.  Kotlin looks promising, and it appears that Spring 
>> also is liking Kotlin enough to add support for it.  I’d love to have my 
>> Kotlin & AspectJ, too.
>> 
>> Any comments, folks?
>> 
>> -matthew
>> 
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