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Posted to dev@pig.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2013/03/21 23:55:15 UTC
[jira] [Updated] (PIG-2597) Move grunt from javacc to ANTRL

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

Daniel Dai updated PIG-2597:
----------------------------

    Description: 
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 2013. More information about the program can be found at https://cwiki.apache.org/confluence/display/PIG/GSoc2013

  was:
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

    
> 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: gsoc2013
>         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 2013. More information about the program can be found at https://cwiki.apache.org/confluence/display/PIG/GSoc2013

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