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Posted to dev@pig.apache.org by "Koji Noguchi (JIRA)" <ji...@apache.org> on 2013/03/15 18:48:14 UTC

[jira] [Commented] (PIG-2597) Move grunt from javacc to ANTRL

    [ https://issues.apache.org/jira/browse/PIG-2597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13603583#comment-13603583 ] 

Koji Noguchi commented on PIG-2597:
-----------------------------------

bq. Jonathan, any update on this?
I'm interested in this status as well.  
Does Boski have a plan to continue working on this?

                
> Move grunt from javacc to ANTRL
> -------------------------------
>
>                 Key: PIG-2597
>                 URL: https://issues.apache.org/jira/browse/PIG-2597
>             Project: Pig
>          Issue Type: Improvement
>            Reporter: Jonathan Coveney
>              Labels: GSoC2012
>         Attachments: 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 2012. More information about the program can be found at https://cwiki.apache.org/confluence/display/PIG/GSoc2012

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