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beautiful-racket/br/syntax.rkt

20 lines
675 B
Racket

9 years ago
#lang racket/base
(require (for-syntax racket/base syntax/parse #;racket/syntax) #;racket/syntax)
(provide (all-defined-out))
(define-syntax (syntax-match stx)
(syntax-case stx (syntax)
[(_ stx-arg [(syntax pattern) body ...] ...)
#'(syntax-case stx-arg ()
[pattern body ...] ...)]))
(define-syntax (add-syntax stx)
(syntax-case stx (syntax)
[(_ ([(syntax sid) sid-stx] ...) body ...)
#'(with-syntax ([sid sid-stx] ...) body ...)]))
(define-syntax syntax-let (make-rename-transformer #'add-syntax))
(define-syntax inject-syntax (make-rename-transformer #'add-syntax))
#;(define-syntax syntax-variable (make-rename-transformer #'format-id))