xnode = Node.createCList();
//
// closure pour le corps
global.push();
Heap myClosure = global.current();
while (interpreter.isCanIterate() && xPC_ConditionX(myClosure, cnode)) {
_clear_closure_(myClosure);
rnode = enode.exec(true);
if (rnode != null)
xnode.addElement(rnode.secure());