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- ;; Process Emacs shell arguments
- ;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs 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 1, or (at your option)
- ;; any later version.
-
- ;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to
- ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
- ; These are processed only at the beginning of the argument list.
- ; -batch execute noninteractively (messages go to stdout,
- ; variable noninteractive set to t)
- ; This option must be the first in the arglist.
- ; Processed by `main' in emacs.c -- never seen by lisp
- ; -t file Specify to use file rather than stdin/stdout
- ; as the terminal.
- ; This option must be the first in the arglist.
- ; Processed by `main' in emacs.c -- never seen by lisp
- ; -nw Inhibit the use of any window-system-specific display
- ; code; use the current virtual terminal.
- ; This option must be the first in the arglist.
- ; Processed by `main' in emacs.c -- never seen by lisp
- ; -q load no init file
- ; -no-init-file same
- ; -u user load user's init file
- ; -user user same
-
- ; These are processed in the order encountered.
- ; -f function execute function
- ; -funcall function same
- ; -l file load file
- ; -load file same
- ; -i file insert file into buffer
- ; -insert file same
- ; file visit file
- ; -kill kill (exit) emacs
-
- (setq top-level '(normal-top-level))
-
- (defvar command-line-processed nil "t once command line has been processed")
-
- (defconst inhibit-startup-message nil
- "*Non-nil inhibits the initial startup messages.
- This is for use in your personal init file, once you are familiar
- with the contents of the startup message.")
-
- (defconst inhibit-default-init nil
- "*Non-nil inhibits loading the `default' library.")
-
- (defconst command-switch-alist nil
- "Alist of command-line switches.
- Elements look like (SWITCH-STRING . HANDLER-FUNCTION).
- HANDLER-FUNCTION receives switch name as sole arg;
- remaining command-line args are in the variable `command-line-args-left'.")
-
- (defvar term-setup-hook nil
- "Function to be called after loading terminal-specific lisp code.
- It is called with no arguments. You can use this to override the
- definitions made by the terminal-specific file.")
-
- (defvar window-setup-hook nil)
-
- (defconst initial-major-mode 'lisp-interaction-mode
- "Major mode command symbol to use for the initial *scratch* buffer.")
-
- (defun normal-top-level ()
- (if command-line-processed
- (message "Back to top level.")
- (setq command-line-processed t)
- ;; In presence of symlinks, switch to cleaner form of default directory.
- (if (and (not (eq system-type 'vax-vms))
- (getenv "PWD")
- (equal (nthcdr 10 (file-attributes default-directory))
- (nthcdr 10 (file-attributes (getenv "PWD")))))
- (setq default-directory (file-name-as-directory (getenv "PWD"))))
- (unwind-protect
- (command-line)
- (and term-setup-hook
- (funcall term-setup-hook))
- (and window-setup-hook
- (funcall window-setup-hook)))))
-
- (defun command-line ()
- (let ((args (cdr command-line-args))
- (init (if noninteractive nil (user-login-name)))
- (done nil))
- ;; If user has not done su, use current $HOME to find .emacs.
- (and init (string= init (user-real-login-name))
- (setq init ""))
- (while (and (not done) args)
- (let ((argi (car args)))
- (if (or (string-equal argi "-q")
- (string-equal argi "-no-init-file"))
- (setq init nil
- args (cdr args))
- (if (or (string-equal argi "-u")
- (string-equal argi "-user"))
- (setq args (cdr args)
- init (car args)
- args (cdr args))
- (setq done t)))))
- ;; Load user's init file, or load default one.
- (condition-case error
- (if init
- (progn (load (cond ((eq system-type 'vax-vms) "sys$login:.emacs")
- ((eq system-type 'amigados) "s:.emacs")
- (t (concat "~" init "/.emacs")))
- t t t)
- (or inhibit-default-init
- (let ((inhibit-startup-message nil))
- ;; Users are supposed to be told their rights.
- ;; (Plus how to get help and how to undo.)
- ;; Don't you dare turn this off for anyone
- ;; except yourself.
- (load "default" t t)))))
- (error (message "Error in init file")))
- (if (get-buffer "*scratch*")
- (save-excursion
- (set-buffer "*scratch*")
- (funcall initial-major-mode)))
- ;; On Amiga, initialise clipboard
- (if (eq system-type 'amigados)
- (let ((clip (safe-amiga-paste)))
- (if clip (kill-add clip))))
- ;; Load library for our terminal type.
- ;; User init file can set term-file-prefix to nil to prevent this.
- (and term-file-prefix (not noninteractive)
- (if window-system
- (load (concat term-file-prefix
- (symbol-name window-system)
- "-win")
- t t)
- (let ((term (getenv "TERM"))
- hyphend)
- (while (and term
- (not (load (concat term-file-prefix term) t t)))
- ;; Strip off last hyphen and what follows, then try again
- (if (setq hyphend (string-match "[-_][^-_]+$" term))
- (setq term (substring term 0 hyphend))
- (setq term nil))))))
- (command-line-1 args)
- (if noninteractive (kill-emacs t))))
-
- (defun command-line-1 (command-line-args-left)
- (if (null command-line-args-left)
- (cond ((and (not inhibit-startup-message) (not noninteractive)
- ;; Don't clobber a non-scratch buffer if init file
- ;; has selected it.
- (string= (buffer-name) "*scratch*")
- (not (input-pending-p)))
- ;; If there are no switches to procss, we might as well
- ;; run this hook now, and there may be some need to do it
- ;; before doing any output.
- (and term-setup-hook
- (funcall term-setup-hook))
- ;; Don't let the hook be run twice.
- (setq term-setup-hook nil)
- (and window-setup-hook
- (funcall window-setup-hook))
- (setq window-setup-hook nil)
- (unwind-protect
- (progn
- (insert (emacs-version)
- "
- Copyright (C) 1990 Free Software Foundation, Inc.\n")
- ;; If keys have their default meanings,
- ;; use precomputed string to save lots of time.
- (if (and (eq (key-binding "\C-h") 'help-command)
- (eq (key-binding "\C-xu") 'advertised-undo)
- (eq (key-binding "\C-h\C-c") 'describe-copying)
- (eq (key-binding "\C-h\C-d") 'describe-distribution)
- (eq (key-binding "\C-h\C-w") 'describe-no-warranty)
- (eq (key-binding "\C-ht") 'help-with-tutorial))
- (insert
- "Type C-h for help; C-x u to undo changes. (`C-' means use CTRL key.)
-
- GNU Emacs comes with ABSOLUTELY NO WARRANTY; type C-h C-w for full details.
- You may give out copies of Emacs; type C-h C-c to see the conditions.
- Type C-h C-d for information on getting the latest version.
- Type C-h t for a tutorial on using Emacs.")
- (insert (substitute-command-keys
- "Type \\[help-command] for help; \\[advertised-undo] to undo changes. (`C-' means use CTRL key.)
-
- GNU Emacs comes with ABSOLUTELY NO WARRANTY; type \\[describe-no-warranty] for full details.
- You may give out copies of Emacs; type \\[describe-copying] to see the conditions.
- Type \\[describe-distribution] for information on getting the latest version.
- Type \\[help-with-tutorial] for a tutorial on using Emacs.")))
- (set-buffer-modified-p nil)
- (sit-for 120))
- (save-excursion
- ;; In case the Emacs server has already selected
- ;; another buffer, erase the one our message is in.
- (set-buffer (get-buffer "*scratch*"))
- (erase-buffer)
- (set-buffer-modified-p nil)))))
- (let ((dir default-directory)
- (line 0))
- (while command-line-args-left
- (let ((argi (car command-line-args-left))
- tem)
- (setq command-line-args-left (cdr command-line-args-left))
- (cond ((setq tem (assoc argi command-switch-alist))
- (funcall (cdr tem) argi))
- ((or (string-equal argi "-f") ;what the manual claims
- (string-equal argi "-funcall")
- (string-equal argi "-e")) ; what the source used to say
- (setq tem (intern (car command-line-args-left)))
- (setq command-line-args-left (cdr command-line-args-left))
- (funcall tem))
- ((or (string-equal argi "-l")
- (string-equal argi "-load"))
- (let ((file (car command-line-args-left)))
- ;; Take file from default dir if it exists there;
- ;; otherwise let `load' search for it.
- (if (file-exists-p (expand-file-name file))
- (setq file (expand-file-name file)))
- (load file nil t))
- (setq command-line-args-left (cdr command-line-args-left)))
- ((or (string-equal argi "-i")
- (string-equal argi "-insert"))
- (insert-file-contents (car command-line-args-left))
- (setq command-line-args-left (cdr command-line-args-left)))
- ((string-equal argi "-kill")
- (kill-emacs t))
- ((string-match "^\\+[0-9]+\\'" argi)
- (setq line (string-to-int argi)))
- (t
- (find-file (expand-file-name argi dir))
- (or (zerop line)
- (goto-line line))
- (setq line 0))))))))
-