Writing a formal language parser with Lisp

Question

My company is designing a new domain specific scripting language; I have to implement a parser that translates our brand new programming language into a common scripting lan

Answer 1

To cover the Racket part of it:

People often write parsers and there are many ways to do so:

• Write a recursive descent parser manually.
• Use the parser-tools library in Racket, which is lex/yacc style.
• Use Ragg, an AST generator generator letting you write BNF.
• Use Parsack, a monadic parser combinator library similar to Haskell's Parsec.
• I'm probably overlooking at least a half-dozen other options (e.g. I know there's at least one PEG style lib for Racket).