String freeVariable = (String) freeVariables.next();
ptolemy.data.type.Type type = _scope.getType(freeVariable);
Type sootType = PtolemyUtilities.getSootTypeForTokenType(type);
SootField field = new SootField(freeVariable, sootType,
Modifier.PUBLIC);
functionClass.addField(field);
argumentSootTypes.add(sootType);
nameToLocal.put(freeVariable, field);
nameToType.put(freeVariable, type);
}