[antlr-interest] Don't want to pervert reference grammar like Terence Parr one on Java 1.5

[Randall R Schulz]

On Wednesday 12 November 2008 13:37, Johannes Luber wrote:
> ...
>
> AFAIK, there is a whitepaper on a tool named gdiff, which would be a
> specialized diff for grammars. It would ignore actions and focus only
> on the grammar structure. But I don't know how far the implementation
> has been realized.
>
> Johannes

Are you referring to gDiff?

  <http://www.antlr.org/wiki/display/ANTLR3/gDiff+-+Grammar+Diff+Tool>

It looks like the software exists, but I cannot find the whitepaper you 
mention. I'm curious about the tree differencing algorithms that 
presumably underly its operation.


Randall Schulz