#lang br/quicklang (require brag/support racket/sequence) (module+ reader (provide read-syntax)) (define taco-lexer (lexer ["(" "#"] [")" "$"] ["taco" "%"] [any-char (taco-lexer input-port)])) (define (read-syntax src port) (define toks (for/list ([tok (in-port taco-lexer port)]) tok)) (define parse-tree (string-join toks "")) ;; print result (strip-context (with-syntax ([PT parse-tree]) #'(module untaco racket (display PT)))))