X-Git-Url: https://git.distorted.org.uk/~mdw/lisp/blobdiff_plain/d7d819976cb5d84766bffd2c5272c86203687ee9..1a50efd8a9e976bf16a29ce381ea38c6b9a39ea1:/sys-base.lisp

diff --git a/sys-base.lisp b/sys-base.lisp
index e973e90..370e80e 100644
--- a/sys-base.lisp
+++ b/sys-base.lisp
@@ -25,17 +25,52 @@
 
 (defpackage #:runlisp
   (:use #:common-lisp)
-  (:export #:*lisp-interpreter* #:*command-line-strings* #:run)
-  #+cmu (:import-from #:ext #:*command-line-strings*))
-(defvar runlisp:*command-line-strings* '("<interactive>"))
+  (:export #:*command-line* #:exit)
+  #+clisp (:import-from #:ext #:exit))
 
 (defpackage #:mdw.sys-base
   (:use #:common-lisp #:runlisp)
-  (:export #:exit #:hard-exit #:*program-name* #:*command-line-strings*)
-  (:import-from #:runlisp #:*lisp-interpreter* #:*command-line-strings*)
-  #+clisp (:import-from #:ext #:exit))
+  (:export #:exit #:hard-exit #:*program-name* #:*command-line*
+	   #:set-command-line-arguments)
+  (:import-from #:runlisp #:*command-line* #:exit))
 (in-package #:mdw.sys-base)
 
+(defvar *command-line*)
+(defvar *program-name*)
+
+(defun set-command-line-arguments ()
+  (setf *command-line*
+	(or (when (member :cl-launch *features*)
+	      (let* ((cll-package (find-package :cl-launch))
+		     (name (funcall (intern "GETENV" cll-package)
+				    "CL_LAUNCH_FILE"))
+		     (args (symbol-value (intern "*ARGUMENTS*"
+						 cll-package))))
+		(if name
+		    (cons name args)
+		    args)))
+	    #+cmu ext:*command-line-strings*
+	    #+sbcl sb-ext:*posix-argv*
+	    #+ecl (loop from i below (ext:argc) collect (ext:argv i))
+	    #+clisp (loop with argv = (ext:argv)
+		          for i from 7 below (length argv)
+			  collect (aref argv i))
+	    '("<unknown-lisp>" "--" "<unknown-script>")))
+  (setf *program-name* (pathname-name (car *command-line*))))
+(set-command-line-arguments)
+
+#-clisp
+(unless (fboundp 'exit)
+  (defun exit (&optional (code 0))
+    "Polite way to end a program."
+    #+(or cmu ecl) (ext:quit code)
+    #+sbcl (sb-ext:quit :unix-status code)
+    #-(or cmu ecl sbcl)
+    (progn
+      (unless (zerop code)
+	(format t "~&Exiting unsuccessfully with code ~D.~%" code))
+      (abort))))
+
 (defun hard-exit (&optional (code 0))
   "Stops the program immediately in its tracks.  Does nothing else.  Use
    after fork, for example, to avoid flushing buffers."
@@ -44,20 +79,4 @@
   #+sbcl (sb-ext:quit :unix-status code :recklessly-p t)
   #+(or clisp ecl) (ext:quit code))
 
-#-clisp
-(defun exit (&optional (code 0))
-  "Polite way to end a program.  If running in an interactive Lisp, just
-   return to the top-level REPL."
-  (if (boundp '*lisp-interpreter*)
-      #+(or cmu ecl) (ext:quit code)
-      #+sbcl (sb-ext:quit :unix-status code)
-      (progn
-        (unless (zerop code)
-          (format t "~&Exiting unsuccessfully with code ~D.~%" code))
-        (abort))))
-
-(defvar *program-name*
-  (pathname-name (car *command-line-strings*))
-  "A plausible guess at the program's name, stripped of strange extensions.")
-
 ;;;----- That's all, folks --------------------------------------------------