[jira] (METRON-658) Invalid Stellar Predicate Statement

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/METRON-658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847527#comment-15847527 ] 

ASF GitHub Bot commented on METRON-658:
---------------------------------------

Github user nickwallen commented on the issue:

    https://github.com/apache/incubator-metron/pull/430
  
    Is there a way to split out the core changes that you made from the whitespace changes?  Were the whitespace changes required?  Or should those be a separate "clean-up" PR?


> Invalid Stellar Predicate Statement
> -----------------------------------
>
>                 Key: METRON-658
>                 URL: https://issues.apache.org/jira/browse/METRON-658
>             Project: Metron
>          Issue Type: Bug
>            Reporter: Josh Meyer
>              Labels: grammar, stellar
>
> Currently there seems to be an issue in the way Stellar defines predicate statements in its grammar. This may not necessarily be limited to predicate statements, but currently this is where the issue is showing itself. For example, the following expressions should be valid, but each of them fails during parsing.
> {code}
> ('grok' not in 'foobar') == true
> 'grok' not in ('foobar' == true)
> 'grok' not in 'foobar' == true
> {code}



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