[
https://issues.apache.org/jira/browse/PIG-2597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14700725#comment-14700725
]
Daniel Dai commented on PIG-2597:
---------------------------------
QueryParser is now handling commands with/without semi-colon with the patch, a
really good progress! Next step, let's move code from GruntParser to
QueryParser gradually, and eventually remove GruntParser all together.
> 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: 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
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
