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https://issues.apache.org/jira/browse/PIG-2597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on PIG-2597 started by Dilip Ramesh.
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> Move grunt from javacc to ANTLR
> -------------------------------
>
> Key: PIG-2597
> URL: https://issues.apache.org/jira/browse/PIG-2597
> Project: Pig
> Issue Type: Improvement
> Reporter: Jonathan Coveney
> Assignee: Dilip Ramesh
> Labels: gsoc2014
> Attachments: 18Aug.diff, current.08.11.2014.dot.diff, pig02.diff
>
>
> Currently, the parser for queries is in ANTLR, but Grunt is still javacc. The
> parser is very difficult to work with, and next to impossible to understand
> or modify. ANTLR provides a much cleaner, more standard way to generate
> parsers/lexers/ASTs/etc, and moving from javacc to Grunt would be huge as we
> continue to add features to Pig.
> This is a candidate project for Google summer of code 2014. More information
> about the program can be found at
> https://cwiki.apache.org/confluence/display/PIG/GSoc2014
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