EMFClass identifier = mapOAWType(root, ext.getFormalParameters().get(0));
if (identifier == null)
continue; // unidentified type (e.g. emf::EObject)
// make a new Extension
ModelExtension extension = factory.createModelExtension();
extension.setName(ext.getName());
extension.setValue(ext.toString());
// make a new FileReference
FileLineReference line = factory.createFileLineReference();
line.setFile(fr);
line.setLine(ext.getLine());
extension.setReference(line);
// add this extension
identifier.getExtensions().add(extension);
}