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error message [message #534166]

Tue, 18 May 2010 09:27

graa

Messages: 42
Registered: April 2010

Member

Hi,
i have 2 error message and i can't correct them
1)in ligne 4 :
no viable alternative at input '{'
2)in ligne 5:
mismatched input '<-' expecting SEMI

1helper context uml!PackageableElement def 2:machine:Sequence(uml!PackageableElement)=

3 if (thisModule.counter=0) then
4 {
5 thisModule.counter <- thisModule.counter + 1;
6 self.Leveli(self.Level0)->iterate(goalmachine; w: 7Sequence(OclAny)=Sequence{}|

8 w.union(

9 self.Leveli(goalmachine)

10 ));
thisModule.counter <- thisModule.counter + 1;
}

else
{ thisModule.counter <- thisModule.counter + 1;
self.Leveli(w)->iterate(goalmachine; w: Sequence(OclAny)=Sequence{}|

w.union(

self.Leveli(goalmachine)

));
}
endif;
thanks

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Re: error message [message #534188 is a reply to message #534166]

Tue, 18 May 2010 10:23

Sylvain EVEILLARD

Messages: 556
Registered: July 2009

Senior Member

You can't have braces in OCL because you can't execute multiple operations in an OCL IF. And finally, you can't make assignments in OCL (<-).

For the increase of counter you can use an ATL workaround :
let fakeLet : OclAny = thisModule.refSetValue('counter',thisModule.counter + 1) in

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