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;;; Bytecode
;; Copyright (C) 2013, 2023 Free Software Foundation, Inc.
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;;; Code:
(define-module (language bytecode spec)
#:use-module (system base language)
#:use-module (system vm loader)
#:use-module (rnrs bytevectors)
#:use-module (ice-9 binary-ports)
#:use-module (srfi srfi-71)
#:export (bytecode))
(define (bytecode->value x e opts)
(let ((thunk (load-thunk-from-memory
(if (bytevector? x)
x
(let ((port get-bv (open-bytevector-output-port)))
(x port)
(close-port port)
(get-bv))))))
(if (eq? e (current-module))
;; save a cons in this case
(values (thunk) e e)
(save-module-excursion
(lambda ()
(set-current-module e)
(values (thunk) e e))))))
(define-language bytecode
#:title "Bytecode"
#:compilers `((value . ,bytecode->value))
#:printer (lambda (bytecode port)
(if (bytevector? bytecode)
(put-bytevector port bytecode)
(bytecode port)))
#:reader get-bytevector-all
#:for-humans? #f)
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