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beautiful-racket/beautiful-racket-demo/bf-demo/reader.rkt

21 lines
517 B
Racket

#lang br/quicklang
(require "parser.rkt")
(define (read-syntax path port)
(define parse-tree (parse path (tokenize port)))
(define module-datum `(module bf-mod bf-demo/expander
,parse-tree))
(datum->syntax #f module-datum))
(provide read-syntax)
(require parser-tools/lex)
(define (tokenize port)
(define (next-token)
(define our-lexer
(lexer
[(eof) eof]
[(char-set "><-.,+[]") lexeme]
[any-char (next-token)]))
(our-lexer port))
next-token)