I would recommend keeping your hands clean and using ANTLR [1]. ANTLR4 is powerful lexer/parser generator. LL(*) is ridiculously powerful. Also, ANTLR is well d

I would recommend keeping your hands clean and using ANTLR [1]. ANTLR4 is powerful lexer/parser generator. LL(*) is ridiculously powerful. Also, ANTLR is well documented and the his book [2] is quite readable. [1] www.antlr.org [2] https://pragprog.com/book/tpantlr2/the-definitive-antlr-4-reference https://pragprog.com/book/tpantlr2/the-definitive-antlr-4-re... Also, if you're really only interested in the language then you should think about targeting LLVM IR or the JVM.