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What is inner class emulation? [message #645576]

Sat, 18 December 2010 04:27

Joan Robert

Messages: 16
Registered: December 2010

Junior Member

Hi, just found this bit, while reading JDT's documentation:

IMethodBinding.getParameterTypes():
Note: The result does not include synthetic parameters introduced by inner class emulation.

I can't find any reference to inner class emulation in JLS... Anyone knows what this emulation is? Throwing an example, would help as well. Smile

Thanks.

[Updated on: Sat, 18 December 2010 04:32]

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Re: What is inner class emulation? [message #645597 is a reply to message #645576]

Sat, 18 December 2010 14:15

Joan Robert

Messages: 16
Registered: December 2010

Junior Member

The synthetic parameters described, probably come from here:

Quote:

A synthetic field pointing to the outermost enclosing instance is named this$0. The next-outermost enclosing instance is this$1, and so forth. (At most one such field is necessary in any given inner class.) . . . . All these synthetic fields are initialized by constructor parameters . . . . All such constructor parameters are deemed to be synthetic.

@ Retrologic

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