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https://issues.apache.org/jira/browse/LUCENE-6417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14658327#comment-14658327
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Jack Conradson edited comment on LUCENE-6417 at 8/5/15 3:01 PM:
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Uwe, this sounds like a reasonable solution. I'll try to get a new patch up
later today. Thanks for all the feedback so far. I'm fairly confident the
VariableContext is meant to be used outside of the package for help parsing
variables into their individual pieces --
x.y.z --> x and y and z as individual pieces
map['string'].t --> map and string and t
So it doesn't make sense to have it be package-private.
was (Author: jdconradson):
Uwe, this sounds like a reasonable solution. I'll try to get a new patch up
later today. Thanks for all the feedback so far.
> Upgrade ANTLR to version 4.5
> ----------------------------
>
> Key: LUCENE-6417
> URL: https://issues.apache.org/jira/browse/LUCENE-6417
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Jack Conradson
> Assignee: Uwe Schindler
> Attachments: LUCENE-6471.patch, LUCENE-6471.patch, LUCENE-6471.patch
>
>
> I would like to upgrade ANTLR from 3.5 to 4.5. This version adds several
> features that will improve the existing grammars. The main improvement would
> be the allowance of left-hand recursion in grammar rules which will reduce
> the number of rules significantly for expressions.
> This change will require some code refactoring to the existing expressions
> work.
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