mes/module/mes/as.mes

49 lines
1.4 KiB
Scheme

;;; -*-scheme-*-
;;; Mes --- Maxwell Equations of Software
;;; Copyright © 2016,2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of Mes.
;;;
;;; Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; Mes 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 General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with Mes. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; compiler.mes produces an i386 binary from the C produced by
;;; Nyacc c99.
;;; Code:
(cond-expand
(guile)
(guile-2)
(mes
(mes-use-module (srfi srfi-1))
(mes-use-module (mes bytevectors))))
(define (int->bv32 value)
(let ((bv (make-bytevector 4)))
(bytevector-u32-native-set! bv 0 value)
bv))
(define (int->bv16 value)
(let ((bv (make-bytevector 2)))
(bytevector-u16-native-set! bv 0 value)
bv))
(define (dec->hex o)
(cond ((number? o) (number->string o 16))
((char? o) (number->string (char->integer o) 16))
(else (format #f "~s" o))))