1. An electronic system level tool system comprising: a processor; and a scalable language infrastructure executable by said processor and configured to: receive an input model, the input model comprising an expression, parse the input model and associate one or more intelligent components with the expression, the intelligent components being external to the scalable language infrastructure, forward the parsed input model to a plurality of clients, receive a request from one of the plurality of clients inquiring about the expression in the model, identify to the client of the plurality of clients an intelligent component of the plurality of intelligent components associated with the expression in response to the client inquiring about the expression, and provide the identified intelligent component to the client, wherein the intelligent component will perform a function for the expression.