Re: [xmlvm-users] xmlvm java.class -> clr/exe

[Sascha H. <sa...@gm...>]

(Sorry, hit send too early)

(See CompatJavaLib.java). Also, JVM instruction coverage is low (see
jvm2clr.xsl).

Right now our focus is not on this translation path, but if you like to
contribute, you are more than welcome!
// Sascha

On Thu, Aug 27, 2009 at 8:07 AM, Sascha Haeberling <sa...@gm...>wrote:

> Hi Juergen!
>
> We are in the process of deprecating an dold infrastructure by setting up a
> new one. A while ago we made this new one the default one, even though it
> doesn't support all possible cross-compilation combinations. While the old
> infrastructure was possible to cross-compile Java bytecode to CLR files,
> coverage wasn't that good. We will re-introduce this functionality soon, but
> don't expect it to be very usable. There is almost no Java compatibility
> library for the CLR (See Compat
>
> On Thu, Aug 27, 2009 at 2:55 AM, Juergen Schmerder <
> jue...@sa...> wrote:
>
>> Hi
>>
>> Is the current (synchronized with SVN today) version of XMLVM able to
>> cross-compile a Java classfile to .NET byte code?
>>
>> Basically, xmlvm seems to work fine - when I do (on the usual
>> HelloWorld.java that does a System.out.println in main):
>>
>> >> xmlvm --in=HelloWorld.class --target=xmlvm
>>
>> I get:
>>
>> [08/26/09 17:48:18.777]    DEBUG: Instantiated:
>> org.xmlvm.proc.in.ClassInputProcess
>> [08/26/09 17:48:18.779]    DEBUG: Instantiated:
>> org.xmlvm.proc.in.ClassInputProcess for "HelloWorld.class"
>> [08/26/09 17:48:18.781]    DEBUG: Instantiated:
>> org.xmlvm.proc.out.XmlvmOutputProcess
>> [08/26/09 17:48:18.782]    DEBUG: Adding preprocess
>> org.xmlvm.proc.in.ClassInputProcess to process
>> org.xmlvm.proc.out.XmlvmOutputProcess
>> [08/26/09 17:48:18.783]    DEBUG: ClassInputProcess.process():
>> HelloWorld.class
>> [08/26/09 17:48:18.933]    DEBUG: Processing finished successfully.
>> [08/26/09 17:48:18.934]    DEBUG: Writing file: ./HelloWorld.xmlvm
>> [08/26/09 17:48:18.935]    DEBUG: Files written successfully.
>>
>> Looks fine! Cross-compilation to JavaScript also worked. But when I try
>>
>> >> xmlvm --in=HelloWorld.class --target=clr
>>
>> I get
>>
>> [08/26/09 17:53:09.992]    DEBUG: Instantiated:
>> org.xmlvm.proc.in.ClassInputProcess
>> [08/26/09 17:53:09.993]    DEBUG: Instantiated:
>> org.xmlvm.proc.in.ClassInputProcess for "HelloWorld.class"
>> [08/26/09 17:53:09.993]    ERROR: Could not create OutputProcess for
>> target
>> 'CLR'.
>> Exception in thread "main" java.lang.reflect.InvocationTargetException
>>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>    at
>>
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
>> )
>>    at
>>
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
>> .java:25)
>>    at java.lang.reflect.Method.invoke(Method.java:597)
>>    at com.simontuffs.onejar.Boot.run(Boot.java:306)
>>    at com.simontuffs.onejar.Boot.main(Boot.java:159)
>> Caused by: java.lang.NullPointerException
>>    at
>>
>> org.xmlvm.proc.XmlvmProcessor.filterNotYetProcessedProcessed(XmlvmProcessor.
>> java:196)
>>    at
>>
>> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline0(XmlvmProcessor.java:1
>> 44)
>>    at
>>
>> org.xmlvm.proc.XmlvmProcessor.buildProcessingPipeline(XmlvmProcessor.java:13
>> 9)
>>    at org.xmlvm.proc.XmlvmProcessor.process(XmlvmProcessor.java:101)
>>    at org.xmlvm.proc.NewMain.main(NewMain.java:55)
>>    ... 6 more
>>
>>
>> Same for
>> >> xmlvm --in=HelloWorld.xmlvm --target=clr
>> or
>> >> xmlvm --in=HelloWorld.class --target=exe
>>
>>
>> Am I missing anything or is this not supposed to work?
>>
>> Best regards, Juergen
>>
>>
>>
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>
>