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;;; Commentary:
;;; Starts a repl server on some form of address.
;;; Code:
(define-module (calp repl)
:use-module (system repl server)
:use-module (ice-9 regex)
:use-module ((calp util hooks) :select (shutdown-hook))
:use-module ((hnh util exceptions) :select (warning))
)
(define-public (repl-start address)
(define lst (string->list address))
(format (current-error-port)
"Starting REPL server at ~a~%" address)
(spawn-server
(case (cond [(memv (car lst) '(#\. #\/)) 'UNIX]
[(string-match "(\\d{1,3}\\.){3}\\d{1,3}(:\\d+)?" address) 'IPv4]
;; IPv6 is as of Gulie 2.2 not supported by make-tcp-server-socket.
;; This might be the same problem as I encountered in my html server.
[else 'UNIX])
[(UNIX)
(add-hook! shutdown-hook (lambda () (catch 'system-error (lambda () (delete-file address))
(lambda (err proc fmt args data)
(warning (format #f "Failed to unlink ~a: ~?"
address fmt args))
err))))
(make-unix-domain-server-socket path: address)]
[(IPv4) (apply (case-lambda
[() (error "Empty address?")]
[(address) (make-tcp-server-socket host: address)]
[(address port) (make-tcp-server-socket host: address port: port)])
(string-split address #\:))]
;; currently impossible
[(IPv6) (error "How did you get here?")]))
;; TODO setup repl environment here
)
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