| ;;; 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) | |