[jboss-jira] [JBoss JIRA] Assigned: (JBRULES-2383) nesting of prefix-and and prefix-or conditional elements result in errors from the knowledge builder

[Edson Tirelli (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBRULES-2383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli reassigned JBRULES-2383:
--------------------------------------

    Assignee: Edson Tirelli  (was: Mark Proctor)


> nesting of prefix-and and prefix-or conditional elements result in errors from the knowledge builder
> ----------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-2383
>                 URL: https://jira.jboss.org/jira/browse/JBRULES-2383
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler (expert)
>    Affects Versions: 5.1.0.M1
>         Environment: windows, jdk1.6.0_11
>            Reporter: Olli Knuuttila
>            Assignee: Edson Tirelli
>
> case 1 (gives the errors):
> 	import org.drools.Person;
> 	rule "rule1"
> 	when
> 		(and
> 			(or
> 				Person(name=="bob")
> 				Person(name=="june")
> 			)
> 			(or
> 				Person(name=="will")
> 				Person(name=="dorothy")
> 			)
> 		)
> 	then
> 		System.out.println("FIRED");
> 	end
> case 2 (works):
> 	import org.drools.Person;
> 	rule "rule1"
> 	when
> 		(
> 			(
> 				Person(name=="bob")
> 			or
> 				Person(name=="june")
> 			)
> 		and
> 			(
> 				Person(name=="will")
> 			or
> 				Person(name=="dorothy")
> 			)
> 		)
> 	then
> 		System.out.println("FIRED");
> 	end
> the errors:
> 	[ERR 101] Line 6:3 no viable alternative at input 'or' in rule "rule1"[8,3]: [ERR 102] Line 8:3 mismatched input 'Person' expecting ')' in rule "rule1"[14,1]: [ERR 102] Line 14:1 mismatched input ')' expecting 'then' in rule "rule1"
> Code used to compile:
> 	KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
> 	kbuilder.add(ResourceFactory.newFileResource("C:\\temp\\test.drl"), ResourceType.DRL);
> 	if(kbuilder.hasErrors()) {
> 		System.err.println(kbuilder.getErrors().toString());
>         } else {
> 		System.out.println("Success!!");
>         }

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