DIY Lang

Welcome to the DIY Lang workshop. The goal of the workshop is to write a language capable of evaluating, for example, the following code:

(define fact
    ; Factorial function
    (lambda (n)
        (if (<= n 1)
            1 ; Factorial of 0 is 1, and we deny
              ; the existence of negative numbers
            (* n (fact (- n 1))))))

(fact 5) ; The result of this should be 120
    

The workshop has eight parts:

1. parsing
2. evaluating simple expressions
3. evaluating complex expressions
4. working with variables
5. functions
6. working with lists
7. using your language
8. final touches

There are also

• a brief description of the language you will be making, and
• a python cheat sheet that might have some useful hints.

The full materials for the workshop are located at github.com/kvalle/diy-lang. Go there, and clone the repo to get started.

Contact/Help

If you are doing the workshop, and you get stuck, feel free contact us at kjetil.valle@bekk.no or bendik.solheim@bekk.no.