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

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

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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