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https://issues.apache.org/jira/browse/LUCENE-6417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-6417:
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Attachment: LUCENE-6471.patch
Updated patch with all required license file changes, sha1 sums and changes to
Solr's Ivy to use correct antlr version.
This still has the visibility problem causing javadocs to fail. I will check
out whats possible. [~jdconradson], if you know how to make the inner classes
package protected, please tell me, as I have a svn checkout ready to commit, I
just need to fix the visibility problem in Javadocs.
> 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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