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https://issues.apache.org/jira/browse/PIG-2439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173978#comment-13173978
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Gianmarco De Francisci Morales commented on PIG-2439:
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Hi Daniel,
yes I was talking about that.
Moving GruntParser and ParameterSubstitutor to ANTLR should be easy.
We can use this Jira to keep track of this work.
> Remove dependency on JavaCC and old parser code
> -----------------------------------------------
>
> Key: PIG-2439
> URL: https://issues.apache.org/jira/browse/PIG-2439
> Project: Pig
> Issue Type: Improvement
> Reporter: Gianmarco De Francisci Morales
>
> Remove the dependency from the jar, the old code in pig/parser and
> pig/tools/pigscript/parser, the relevant sections in build.xml
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