You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
beautiful-racket/beautiful-racket-ragg/br/ragg/examples/wordy.rkt

8 lines
205 B
Racket

9 years ago
#lang br/ragg
;; A parser for a silly language
sentence: verb optional-adjective object
verb: greeting
optional-adjective: ["happy" | "frumpy"]
greeting: "hello" | "hola" | "aloha"
object: "world" | WORLD