[jboss-jira] [JBoss JIRA] (JBRULES-3326) drl compilation failed when encountering multiple continuous '!' (a.k.a 'not' operator)s

[Edson Tirelli (Assigned) (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3326?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli reassigned JBRULES-3326:
--------------------------------------

    Assignee: Mario Fusco  (was: Mark Proctor)

    
> drl compilation failed when encountering multiple continuous '!' (a.k.a 'not' operator)s
> ----------------------------------------------------------------------------------------
>
>                 Key: JBRULES-3326
>                 URL: https://issues.jboss.org/browse/JBRULES-3326
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler (expert)
>    Affects Versions: 5.3.0.Final
>         Environment: jdk 1.6u27, ubuntu linux 11.04
>            Reporter: Miles Wen
>            Assignee: Mario Fusco
>              Labels: compilation, drl
>
> this code: 
> rule "out"
>     when
>         Msg(!!!false)
>     then
> end
> compile failed with message: 
> Unable to Analyse Expression !!!false:
> [Error: unexpected operator '!']
> [Near : {... !!!false ....}]
>              ^
> [Line: 16, Column: 12] : [Rule name='out']
> but Msg(!false) compiles correctly.

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