| 1 | ;;; -*-lisp-*- |
| 2 | ;;; |
| 3 | ;;; Basic system-specific stuff |
| 4 | ;;; |
| 5 | ;;; (c) 2005 Mark Wooding |
| 6 | ;;; |
| 7 | |
| 8 | ;;;----- Licensing notice --------------------------------------------------- |
| 9 | ;;; |
| 10 | ;;; This program is free software; you can redistribute it and/or modify |
| 11 | ;;; it under the terms of the GNU General Public License as published by |
| 12 | ;;; the Free Software Foundation; either version 2 of the License, or |
| 13 | ;;; (at your option) any later version. |
| 14 | ;;; |
| 15 | ;;; This program is distributed in the hope that it will be useful, |
| 16 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;;; GNU General Public License for more details. |
| 19 | ;;; |
| 20 | ;;; You should have received a copy of the GNU General Public License |
| 21 | ;;; along with this program; if not, write to the Free Software Foundation, |
| 22 | ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 23 | |
| 24 | (defpackage #:runlisp |
| 25 | (:use #:common-lisp) |
| 26 | (:export #:*command-line* #:exit) |
| 27 | #+clisp (:import-from #:ext #:exit)) |
| 28 | |
| 29 | (defpackage #:mdw.sys-base |
| 30 | (:use #:common-lisp #:runlisp) |
| 31 | (:export #:exit #:hard-exit #:*program-name* #:*command-line* |
| 32 | #:set-command-line-arguments) |
| 33 | (:import-from #:runlisp #:*command-line* #:exit)) |
| 34 | (in-package #:mdw.sys-base) |
| 35 | |
| 36 | (defvar *command-line*) |
| 37 | (defvar *program-name*) |
| 38 | |
| 39 | (defun set-command-line-arguments () |
| 40 | (setf *command-line* |
| 41 | (let ((uiop-package (find-package :uiop)) |
| 42 | (cll-package (find-package :cl-launch))) |
| 43 | (cons (or (and uiop-package |
| 44 | (funcall (intern "ARGV0" uiop-package))) |
| 45 | (and cll-package |
| 46 | (some (intern "GETENV" cll-package) |
| 47 | (list "__CL_ARGV0" "CL_LAUNCH_FILE"))) |
| 48 | #+sbcl (car sb-ext:*posix-argv*) |
| 49 | #+cmu (car ext:*command-line-strings*) |
| 50 | #+clisp (aref (ext:argv) 0) |
| 51 | #+ecl (ext:argv 0) |
| 52 | "<unknown-script>") |
| 53 | (cond (uiop-package |
| 54 | (funcall (intern "COMMAND-LINE-ARGUMENTS" |
| 55 | uiop-package))) |
| 56 | (cll-package |
| 57 | (symbol-value (intern "*ARGUMENTS*" cll-package))) |
| 58 | (t #.(or (car '(#+sbcl (cdr sb-ext:*posix-argv*) |
| 59 | #+cmu (cdr ext:*command-line-strings*) |
| 60 | #+clisp (coerce (subseq (ext:argv) 8) |
| 61 | 'list) |
| 62 | #+ecl (loop for i from 1 |
| 63 | below (ext:argc) |
| 64 | collect (ext:argv i)))) |
| 65 | (error "Unsupported Lisp.")))))) |
| 66 | |
| 67 | *program-name* (pathname-name (car *command-line*)))) |
| 68 | |
| 69 | (set-command-line-arguments) |
| 70 | |
| 71 | #-clisp |
| 72 | (unless (fboundp 'exit) |
| 73 | (defun exit (&optional (code 0)) |
| 74 | "Polite way to end a program." |
| 75 | #+(or cmu ecl) (ext:quit code) |
| 76 | #+sbcl (sb-ext:exit :code code) |
| 77 | #-(or cmu ecl sbcl) |
| 78 | (progn |
| 79 | (unless (zerop code) |
| 80 | (format t "~&Exiting unsuccessfully with code ~D.~%" code)) |
| 81 | (abort)))) |
| 82 | |
| 83 | (defun hard-exit (&optional (code 0)) |
| 84 | "Stops the program immediately in its tracks. Does nothing else. Use |
| 85 | after fork, for example, to avoid flushing buffers." |
| 86 | (declare (type (unsigned-byte 32) code)) |
| 87 | #+cmu (unix::void-syscall ("_exit" c-call:int) code) |
| 88 | #+sbcl (sb-ext:exit :code code :abort t) |
| 89 | #+(or clisp ecl) (ext:quit code)) |
| 90 | |
| 91 | ;;;----- That's all, folks -------------------------------------------------- |