[jboss-jira] [JBoss JIRA] (DROOLS-5548) Model compiler cannot generate declaration from a function call

[Luca Molteni (Jira)]

     [ https://issues.redhat.com/browse/DROOLS-5548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luca Molteni updated DROOLS-5548:
---------------------------------
    Summary: Model compiler cannot generate declaration from a function call  (was: Model compiler cannot generate code for method calls using variable accessors)


> Model compiler cannot generate declaration from a function call
> ---------------------------------------------------------------
>
>                 Key: DROOLS-5548
>                 URL: https://issues.redhat.com/browse/DROOLS-5548
>             Project: Drools
>          Issue Type: Bug
>          Components: executable model
>    Affects Versions: 7.31.0.Final, 7.32.0.Final, 7.33.0.Final, 7.34.0.Final, 7.35.0.Final, 7.36.0.Final, 7.37.0.Final, 7.38.0.Final, 7.39.0.Final, 7.40.0.Final
>            Reporter: Ciprian Chiru
>            Assignee: Luca Molteni
>            Priority: Major
>
> Given the example rule below (based on the drools example rule)
>  
> {code:java}
> global java.util.Set controlSet;
> declare A
>  x: String
> end
> declare B
>  a: A
> end
> function String dummyFunction(B b) {
>  return "test";
> }
> rule "will execute per each Measurement having ID color"
> no-loop
> when
>  Measurement( id == "color", $colorVal : val )
>  $b: B()
>  $val: String() from dummyFunction($b.a)
> then
>  controlSet.add($colorVal);
> end{code}
>  
>  
> When compiling the rule with _kie-maven-plugin_ it fails with :
> {noformat}
> ...target/generated-sources/drools-model-compiler/main/java/rules/Rules5937a2896da74f01bfa36d294bcf0858RuleMethods0.java:[32,107] cannot find symbol
> [ERROR] symbol: variable $b
> [ERROR] location: class rules.Rules5937a2896da74f01bfa36d294bcf0858RuleMethods0{noformat}
> It transpiles and compiles fine with: 
> {code:java}
> $val: String() from dummyFunction($b){code}
>  
> This can probably be reproduced on all version. 
> It works when the rules are not pre-compiled.



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