Can I generate a call to GWT.create(...) within generated code

I am writing a generator for a template that will be invoked during the GWT.create() call, is it possible for me to have the generator subsequently generate GWT.create() calls from within the generated output code for the class? When I tried it I am getting errors when the executing code encounter

GWT Generator inside an OSGI plugin

I have a Generator class that is called in hosted mode on GWT.create(...). The Generator class has to run in an OSGI plugin since the information it generates into Java code comes from registered plugin extensions. Is there a way to launch the plugin (or launch the whole DevMode.main() as a plugin