racket/pkgs/at-exp-lib/at-exp/lang/language-info.rkt

21 lines
607 B
Racket

#lang racket/base
(provide get-language-info)
(require racket/match)
(define (get-language-info data)
(define other-get-info
(match data
[(vector mod sym data2)
((dynamic-require mod sym) data2)]
[_ (lambda (key default) default)]))
(lambda (key default)
(case key
[(configure-runtime)
(define config-vec '#[at-exp/lang/runtime-config configure #f])
(define other-config (other-get-info key default))
(cond [(list? other-config) (cons config-vec other-config)]
[else (list config-vec)])]
[else (other-get-info key default)])))