[jboss-jira] [JBoss JIRA] Created: (JBRULES-549) Better support for linebreaks in LHS

[Dirk Bergstrom (JIRA)]

Better support for linebreaks in LHS
------------------------------------

                 Key: JBRULES-549
                 URL: http://jira.jboss.com/jira/browse/JBRULES-549
             Project: JBoss Rules
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
          Components: Drl Parser/Builder
            Reporter: Dirk Bergstrom
         Assigned To: Mark Proctor


I have some rules with very long LHS expressions.  I'd like to split them across multiple lines for readability.  However, the parser has limited support for breaks.

These work:
 
  when
    ObjectTypeName( p0_exit_epoch > (RUM.now()),
                    p0_exit_epoch > (RUM.daysAgo(7)) )
    variable :
      OtherObjectType($rlis : rlis -> (RUM.countFieldsMatching($rlis, "state", "dev-maybe") > 0))
 
These don't:
 
    variable : OtherObjectType($rlis :
      rlis -> (RUM.countFieldsMatching($rlis, "state", "dev-maybe") > 0))
 
    variable : OtherObjectType(($rlis : rlis ->
      (RUM.countFieldsMatching($rlis, "state", "dev-maybe") > 0))
 
    variable : OtherObjectType($rlis : rlis -> (RUM.countFieldsMatching($rlis,
      "state", "dev-maybe") > 0))

While I'm at it, I'd love to have support for multiline expressions in DSL files, but I can imagine that would be a bit harder...

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