 This machine was built from macro-modular components and has for instructions the codes described by Schorre.CWIC (Compiler for Writing and Implementing Compilers) is the last known Schorre metacompiler.It was developed at Systems Development Corporation by Erwin Book, Dewey Val Schorre and Steven J. Sherman With the full power of (lisp 2) a list processing language optimizing algorithms could operate on syntax generated lists and trees before code generation.