TypeCheckVisitor is ready up through case arithmetic operations, it also compiles :)
Merge branch 'master' of https://github.com/krwenholz/Compiler_MiniJava
All seems well save for this, some stuff in methods, and all the TODO's and XXX's
Almost there, look at all of the XXX and TODOs
Merge branch 'master' of https://github.com/krwenholz/Compiler_MiniJava