#lang s-exp syntax/module-reader
(planet dyoo/autogrammar/lalr/autogrammar)
#:read my-read
#:read-syntax my-read-syntax
#:info my-get-info
#:whole-body-readers? #t

(require "../../parser.rkt"
         "../../lexer.rkt"
         "../../stx.rkt")

(define (my-read in)
  (syntax->datum (my-read-syntax #f in)))

(define (my-read-syntax src in)
  (define tokenizer (tokenize in))
  (define rules (grammar-parser tokenizer))
  (list (rules->stx src rules)))


;; Extension: we'd like to cooperate with DrRacket and tell
;; it to use the default, textual lexer and color scheme when
;; editing bf programs.
;;
;; See: http://docs.racket-lang.org/guide/language-get-info.html
;; for more details, as well as the documentation in
;; syntax/module-reader.
(define (my-get-info key default default-filter)
  (case key
    [(color-lexer)
     (dynamic-require 'syntax-color/default-lexer
                      'default-lexer)]
    [else
     (default-filter key default)]))