%\lstinputlisting[name=ws2pn,numberstyle=\tiny,numbers=left,numberblanklines=true,frame=tb,firstnumber=1,firstline=120,lastline=146,caption=TODO,label=code:ws2pn,captionpos=b]{code/simplepdltopetrinet/SimplePDLToPetriNet.t}
\begin{tomcode3}[caption=\texttt{WS2PN :} Code de la définition \emph{WorkSequenceToPetriNet},label=code:ws2pn]
definition WS2PN traversal `TopDown(WS2PN(tom__linkClass,pn)) {
  ws@WorkSequence[predecessor=p,successor=s,linkType=linkType] -> {
    Place source= null;
    Transition target= null;
    %match(linkType) { 
      (WorkSequenceTypefinishToFinish|WorkSequenceTypefinishToStart)[] -> {
               source = %resolve(p:WorkDefinition, WDp_finished:Place); 
      }
      (WorkSequenceTypestartToStart|WorkSequenceTypestartToFinish)[]   -> {
               source = %resolve(p:WorkDefinition, WDp_started:Place);
      }

      (WorkSequenceTypefinishToStart|WorkSequenceTypestartToStart)[]   -> {
               target = %resolve(s:WorkDefinition, WDt_start:Transition); 
      }
      (WorkSequenceTypestartToFinish|WorkSequenceTypefinishToFinish)[] -> {
               target = %resolve(s:WorkDefinition, WDt_finish:Transition); 
      }
    }
    source.setNet(pn);
    target.setNet(pn);

    Arc wsImage = `Arc(target,source, pn, ArcKindread_arc(), 1);  
  }
}
\end{tomcode3}