Complex sentence: My passion and frustration comes from developing an advanced compiler compiler I called SLIC (System of Languages for Implementing Compillers) that was based on CWIC (Compiler for Writing and Implementing Compilers).
Split into simpler sentences: My passion and frustration comes from developing an advanced compiler compiler that I named SLIC (System of Languages for Implementing Compillers). It was based on CWIC (Compiler for Writing and Implementing Compilers).