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From "Kyungho Jeon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-2597) Move grunt from javacc to ANTLR
Date Wed, 11 Jun 2014 20:36:02 GMT

     [ https://issues.apache.org/jira/browse/PIG-2597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kyungho Jeon updated PIG-2597:
------------------------------

    Summary: Move grunt from javacc to ANTLR  (was: Move grunt from javacc to ANTRL)

> 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: Daniel Dai
>              Labels: gsoc2014
>         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 2014. More information about the
program can be found at https://cwiki.apache.org/confluence/display/PIG/GSoc2014



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