Web service for designing and implementing formal languages

An intelligent Web service and its interface for designing and implementing formal languages are described in the paper. The paper describes also background tools LISA and GIE used in the Web service and some basics of their usage. Three language design approaches are presented. Firstly, from scratch using LISA specifications, secondly using stored specifications from other developers, and thirdly with a set of positive and negative example strings/programs. Advanced user interface with shared and documented repository of solutions make Web service suitable for beginners as well as compiler experts. Web service has been designed in a way which makes it suitable for integration in standalone applications