Re: deepfinal modifier for Java

"Joachim Durchholz" <joachim_d@gmx.de>
15 Nov 2002 00:37:18 -0500

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Adding const to java lashari@hotmail.com (Ghulam Lashari) (2002-10-24)
deepfinal modifier for Java lashari@hotmail.com (Ghulam Lashari) (2002-11-13)
Re: deepfinal modifier for Java joachim_d@gmx.de (Joachim Durchholz) (2002-11-15)
Re: deepfinal modifier for Java eeide@cs.utah.edu (Eric Eide) (2002-11-20)
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From: "Joachim Durchholz" <joachim_d@gmx.de>
Newsgroups: comp.compilers
Date: 15 Nov 2002 00:37:18 -0500
Organization: Compilers Central
References: 02-10-101 02-11-073
Keywords: Java
Posted-Date: 15 Nov 2002 00:37:18 EST

Ghulam Lashari wrote:
  >
  > In fact, I had implemented a "deepfinal" modifier for Java.
  >
  > Is there any usefulness of this thing in Program analysis (static
  > analysis), Invariant detection etc?


It would be useful if it worked.
The problem is if some deepfinal object is referring to another object
which is accessible via a non-deepfinal reference.
In other words: to make use of "deepfinal", the compiler will have to do
data-flow analysis - and if the compiler is smart enough to do that, I
suspect that it is also smart enough to deduce whether an object is
deepfinal or not.


Regards,
Joachim

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