WIG-2-C-Interpreter is a project mainly written in Java, it's free.
A WIG to C interpreter written in Java using ANTLR. All grammar provided.
WIG-2-C is a WIG to C interpreter written in Java. WIG-2-C uses ANTLR to create its parse tree. It takes a WIG file as an argument and spits out a C file.
WIG-2-C uses antlr-3-runtime.jar to compile.