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typesetting/pitfall/pitfall/parse.rkt

27 lines
761 B
Racket

#lang br/quicklang
(require "parser.rkt" "tokenizer.rkt")
(provide (matching-identifiers-out #rx"pf-" (all-defined-out)))
(module+ reader (provide read-syntax))
(define (read-syntax src port)
(define parse-tree (parse (make-tokenizer src port)))
(strip-bindings
#`(module pitfall-parse-mod pitfall/parse
#,parse-tree)))
(define-macro (my-mb PARSE-TREE)
#'(#%module-begin PARSE-TREE))
(provide (rename-out [my-mb #%module-begin]))
(provide null)
(define-macro (pf-program ARG ...)
#'(list ARG ...))
(define (pf-name str)
(let* ([str (string-trim str "/" #:right? #f)]
[str (regexp-replace* #px"#(\\d\\d)" str (λ (m sub) (string (integer->char (string->number sub 16)))))])
(string->symbol str)))
(pf-name "B#45#20L")