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[Xcore] produces non-compiling Java code when using closures [message #965783]

Wed, 31 October 2012 09:58

Eclipse User

Hello,

I am referring to http://wiki.eclipse.org/Xcore # Specifying an Operation.

Assume the following method is added to the Library class:

   op Book[] findBooksByAuthor (Author author) {
      return authors.filter [it == author].toList
   }

produces two problems:
1.) an EList is expected instead of List
2.) the generated code contains an anonymous inner class and the "author" param is not final

Regards,
Nicolas

Re: [Xcore] produces non-compiling Java code when using closures [message #965809 is a reply to message #965783]

Wed, 31 October 2012 10:14

Eclipse User

Nicolas,

All the parameters should be final in the recent nightly builds. These
builds also include support for extension methods, so you can write toEList.

On 31/10/2012 2:58 PM, Nicolas Cabanis wrote:
> Hello,
>
> I am referring to http://wiki.eclipse.org/Xcore # Specifying an
> Operation.
>
> Assume the following method is added to the Library class:
>
> op Book[] findBooksByAuthor (Author author) {
> return authors.filter [it == author].toList
> }
>
>
> produces two problems:
> 1.) an EList is expected instead of List
> 2.) the generated code contains an anonymous inner class and the
> "author" param is not final
>
> Regards,
> Nicolas

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