| 1 | ;;; Guile VM compiling loader |
| 2 | |
| 3 | ;; Copyright (C) 2001 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; This program is free software; you can redistribute it and/or modify |
| 6 | ;; it under the terms of the GNU General Public License as published by |
| 7 | ;; the Free Software Foundation; either version 2, or (at your option) |
| 8 | ;; any later version. |
| 9 | ;; |
| 10 | ;; This program is distributed in the hope that it will be useful, |
| 11 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | ;; GNU General Public License for more details. |
| 14 | ;; |
| 15 | ;; You should have received a copy of the GNU General Public License |
| 16 | ;; along with this program; see the file COPYING. If not, write to |
| 17 | ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 18 | ;; Boston, MA 02111-1307, USA. |
| 19 | |
| 20 | ;;; Code: |
| 21 | |
| 22 | (define-module (system vm load) |
| 23 | :use-module (system vm core) |
| 24 | :autoload (system base language) (compile-file-in lookup-language) |
| 25 | :use-module (ice-9 regex) |
| 26 | :export (load/compile)) |
| 27 | |
| 28 | (define (load/compile file) |
| 29 | (let* ((file (file-name-full-name file)) |
| 30 | (compiled (object-file-name file))) |
| 31 | (if (or (not (file-exists? compiled)) |
| 32 | (> (stat:mtime (stat file)) (stat:mtime (stat compiled)))) |
| 33 | (compile-file-in file #f (lookup-language 'gscheme) #:O)) |
| 34 | (let ((bytes (make-uniform-vector (stat:size (stat compiled)) #\a))) |
| 35 | (call-with-input-file compiled |
| 36 | (lambda (p) (uniform-vector-read! bytes p))) |
| 37 | (vm-load (the-vm) bytes)))) |
| 38 | |
| 39 | (define (file-name-full-name filename) |
| 40 | (let ((oldname (and (current-load-port) |
| 41 | (port-filename (current-load-port))))) |
| 42 | (if (and oldname |
| 43 | (> (string-length filename) 0) |
| 44 | (not (char=? (string-ref filename 0) #\/)) |
| 45 | (not (string=? (dirname oldname) "."))) |
| 46 | (string-append (dirname oldname) "/" filename) |
| 47 | filename))) |
| 48 | |
| 49 | (define (object-file-name file) |
| 50 | (let ((m (string-match "\\.[^.]*$" file))) |
| 51 | (string-append (if m (match:prefix m) file) ".go"))) |