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- ;;; viper-ex.el --- functions implementing the Ex commands for Viper
-
- ;; Copyright (C) 1994, 1995, 1996 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 2, 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, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
-
- ;; Code
-
- (require 'viper-util)
-
- ;; Compiler pacifier
- (defvar read-file-name-map)
- ;; end compiler pacifier
-
- ;;; Variables
-
- (defconst vip-ex-work-buf-name " *ex-working-space*")
- (defconst vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name))
- (defconst vip-ex-tmp-buf-name " *ex-tmp*")
-
-
- ;;; Variable completion in :set command
-
- ;; The list of Ex commands. Used for completing command names.
- (defconst ex-token-alist
- '(("!") ("=") (">") ("&") ("~")
- ("yank") ("xit") ("WWrite") ("Write") ("write") ("wq") ("visual")
- ("version") ("vglobal") ("unmap") ("undo") ("tag") ("transfer") ("suspend")
- ("substitute") ("submitReport") ("stop") ("sr") ("source") ("shell")
- ("set") ("rewind") ("recover") ("read") ("quit") ("pwd")
- ("put") ("preserve") ("PreviousRelatedFile") ("RelatedFile")
- ("next") ("Next") ("move") ("mark") ("map") ("kmark") ("join")
- ("help") ("goto") ("global") ("file") ("edit") ("delete") ("copy")
- ("chdir") ("cd") ("Buffer") ("buffer") ("args")) )
-
- ;; A-list of Ex variables that can be set using the :set command.
- (defconst ex-variable-alist
- '(("wrapscan") ("ws") ("wrapmargin") ("wm")
- ("global-tabstop") ("gts") ("tabstop") ("ts")
- ("showmatch") ("sm") ("shiftwidth") ("sw") ("shell") ("sh")
- ("readonly") ("ro")
- ("nowrapscan") ("nows") ("noshowmatch") ("nosm")
- ("noreadonly") ("noro") ("nomagic") ("noma")
- ("noignorecase") ("noic")
- ("global-noautoindent") ("gnoai") ("noautoindent") ("noai")
- ("magic") ("ma") ("ignorecase") ("ic")
- ("global-autoindent") ("gai") ("autoindent") ("ai")
- ))
-
-
-
- ;; Token recognized during parsing of Ex commands (e.g., "read", "comma")
- (defvar ex-token nil)
-
- ;; Type of token.
- ;; If non-nil, gives type of address; if nil, it is a command.
- (defvar ex-token-type nil)
-
- ;; List of addresses passed to Ex command
- (defvar ex-addresses nil)
-
- ;; It seems that this flag is used only for `#', `print', and `list', which
- ;; aren't implemented. Check later.
- (defvar ex-flag nil)
-
- ;; "buffer" where Ex commands keep deleted data.
- ;; In Emacs terms, this is a register.
- (defvar ex-buffer nil)
-
- ;; Value of ex count.
- (defvar ex-count nil)
-
- ;; Flag for global command.
- (defvar ex-g-flag nil)
-
- ;; If t, global command is executed on lines not matching ex-g-pat.
- (defvar ex-g-variant nil)
-
- ;; Save reg-exp used in substitute.
- (defvar ex-reg-exp nil)
-
-
- ;; Replace pattern for substitute.
- (defvar ex-repl nil)
-
- ;; Pattern for global command.
- (defvar ex-g-pat nil)
-
-
- (defvar ex-unix-type-shell
- (let ((case-fold-search t))
- (and (stringp shell-file-name)
- (string-match
- (concat
- "\\("
- "csh$\\|csh.exe$"
- "\\|"
- "ksh$\\|ksh.exe$"
- "\\|"
- "^sh$\\|sh.exe$"
- "\\|"
- "[^a-z]sh$\\|[^a-z]sh.exe$"
- "\\|"
- "bash$\\|bash.exe$"
- "\\)")
- shell-file-name)))
- "Is the user using a unix-type shell?")
-
- (defvar ex-unix-type-shell-options
- (let ((case-fold-search t))
- (if ex-unix-type-shell
- (cond ((string-match "\\(csh$\\|csh.exe$\\)" shell-file-name)
- "-f") ; csh: do it fast
- ((string-match "\\(bash$\\|bash.exe$\\)" shell-file-name)
- "-noprofile") ; bash: ignore .profile
- )))
- "Options to pass to the Unix-style shell.
- Don't put `-c' here, as it is added automatically.")
-
- (defvar ex-nontrivial-find-file-function
- (cond (ex-unix-type-shell 'vip-ex-nontrivial-find-file-unix)
- ((eq system-type 'emx) 'vip-ex-nontrivial-find-file-ms) ; OS/2
- (vip-ms-style-os-p 'vip-ex-nontrivial-find-file-ms) ; a Microsoft OS
- (vip-vms-os-p 'vip-ex-nontrivial-find-file-unix) ; VMS
- (t 'vip-ex-nontrivial-find-file-unix) ; presumably UNIX
- ))
-
- ;; Remembers the previous Ex tag.
- (defvar ex-tag nil)
-
- ;; file used by Ex commands like :r, :w, :n
- (defvar ex-file nil)
-
- ;; If t, tells Ex that this is a variant-command, i.e., w>>, r!, etc.
- (defvar ex-variant nil)
-
- ;; Specified the offset of an Ex command, such as :read.
- (defvar ex-offset nil)
-
- ;; Tells Ex that this is a w>> command.
- (defvar ex-append nil)
-
- ;; File containing the shell command to be executed at Ex prompt,
- ;; e.g., :r !date
- (defvar ex-cmdfile nil)
-
- ;; flag used in vip-ex-read-file-name to indicate that we may be reading
- ;; multiple file names. Used for :edit and :next
- (defvar vip-keep-reading-filename nil)
-
- (defconst ex-cycle-other-window t
- "*If t, :n and :b cycles through files and buffers in other window.
- Then :N and :B cycles in the current window. If nil, this behavior is
- reversed.")
-
- (defconst ex-cycle-through-non-files nil
- "*Cycle through *scratch* and other buffers that don't visit any file.")
-
- ;; Last shell command executed with :! command.
- (defvar vip-ex-last-shell-com nil)
-
- ;; Indicates if Minibuffer was exited temporarily in Ex-command.
- (defvar vip-incomplete-ex-cmd nil)
-
- ;; Remembers the last ex-command prompt.
- (defvar vip-last-ex-prompt "")
-
-
- ;;; Code
-
- ;; Check if ex-token is an initial segment of STR
- (defun vip-check-sub (str)
- (let ((length (length ex-token)))
- (if (and (<= length (length str))
- (string= ex-token (substring str 0 length)))
- (setq ex-token str)
- (setq ex-token-type 'non-command))))
-
- ;; Get a complete ex command
- (defun vip-get-ex-com-subr ()
- (let (case-fold-search)
- (set-mark (point))
- (re-search-forward "[a-zA-Z][a-zA-Z]*")
- (setq ex-token-type 'command)
- (setq ex-token (buffer-substring (point) (mark t)))
- (exchange-point-and-mark)
- (cond ((looking-at "a")
- (cond ((looking-at "ab") (vip-check-sub "abbreviate"))
- ((looking-at "ar") (vip-check-sub "args"))
- (t (vip-check-sub "append"))))
- ((looking-at "h") (vip-check-sub "help"))
- ((looking-at "c")
- (cond ((looking-at "cd") (vip-check-sub "cd"))
- ((looking-at "ch") (vip-check-sub "chdir"))
- ((looking-at "co") (vip-check-sub "copy"))
- (t (vip-check-sub "change"))))
- ((looking-at "d") (vip-check-sub "delete"))
- ((looking-at "b") (vip-check-sub "buffer"))
- ((looking-at "B") (vip-check-sub "Buffer"))
- ((looking-at "e")
- (if (looking-at "ex") (vip-check-sub "ex")
- (vip-check-sub "edit")))
- ((looking-at "f") (vip-check-sub "file"))
- ((looking-at "g") (vip-check-sub "global"))
- ((looking-at "i") (vip-check-sub "insert"))
- ((looking-at "j") (vip-check-sub "join"))
- ((looking-at "l") (vip-check-sub "list"))
- ((looking-at "m")
- (cond ((looking-at "map") (vip-check-sub "map"))
- ((looking-at "mar") (vip-check-sub "mark"))
- (t (vip-check-sub "move"))))
- ((looking-at "k[a-z][^a-z]")
- (setq ex-token "kmark")
- (forward-char 1)
- (exchange-point-and-mark)) ; this is canceled out by another
- ; exchange-point-and-mark at the end
- ((looking-at "k") (vip-check-sub "kmark"))
- ((looking-at "n") (if (looking-at "nu")
- (vip-check-sub "number")
- (vip-check-sub "next")))
- ((looking-at "N") (vip-check-sub "Next"))
- ((looking-at "o") (vip-check-sub "open"))
- ((looking-at "p")
- (cond ((looking-at "pre") (vip-check-sub "preserve"))
- ((looking-at "pu") (vip-check-sub "put"))
- ((looking-at "pw") (vip-check-sub "pwd"))
- (t (vip-check-sub "print"))))
- ((looking-at "P") (vip-check-sub "PreviousRelatedFile"))
- ((looking-at "R") (vip-check-sub "RelatedFile"))
- ((looking-at "q") (vip-check-sub "quit"))
- ((looking-at "r")
- (cond ((looking-at "rec") (vip-check-sub "recover"))
- ((looking-at "rew") (vip-check-sub "rewind"))
- (t (vip-check-sub "read"))))
- ((looking-at "s")
- (cond ((looking-at "se") (vip-check-sub "set"))
- ((looking-at "sh") (vip-check-sub "shell"))
- ((looking-at "so") (vip-check-sub "source"))
- ((looking-at "sr") (vip-check-sub "sr"))
- ((looking-at "st") (vip-check-sub "stop"))
- ((looking-at "sus") (vip-check-sub "suspend"))
- ((looking-at "subm") (vip-check-sub "submitReport"))
- (t (vip-check-sub "substitute"))))
- ((looking-at "t")
- (if (looking-at "ta") (vip-check-sub "tag")
- (vip-check-sub "transfer")))
- ((looking-at "u")
- (cond ((looking-at "una") (vip-check-sub "unabbreviate"))
- ((looking-at "unm") (vip-check-sub "unmap"))
- (t (vip-check-sub "undo"))))
- ((looking-at "v")
- (cond ((looking-at "ve") (vip-check-sub "version"))
- ((looking-at "vi") (vip-check-sub "visual"))
- (t (vip-check-sub "vglobal"))))
- ((looking-at "w")
- (if (looking-at "wq") (vip-check-sub "wq")
- (vip-check-sub "write")))
- ((looking-at "W")
- (if (looking-at "WW")
- (vip-check-sub "WWrite")
- (vip-check-sub "Write")))
- ((looking-at "x") (vip-check-sub "xit"))
- ((looking-at "y") (vip-check-sub "yank"))
- ((looking-at "z") (vip-check-sub "z")))
- (exchange-point-and-mark)
- ))
-
- ;; Get an ex-token which is either an address or a command.
- ;; A token has a type, \(command, address, end-mark\), and a value
- (defun vip-get-ex-token ()
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t|")
- (cond ((looking-at "#")
- (setq ex-token-type 'command)
- (setq ex-token (char-to-string (following-char)))
- (forward-char 1))
- ((looking-at "[a-z]") (vip-get-ex-com-subr))
- ((looking-at "\\.")
- (forward-char 1)
- (setq ex-token-type 'dot))
- ((looking-at "[0-9]")
- (set-mark (point))
- (re-search-forward "[0-9]*")
- (setq ex-token-type
- (cond ((eq ex-token-type 'plus) 'add-number)
- ((eq ex-token-type 'minus) 'sub-number)
- (t 'abs-number)))
- (setq ex-token (string-to-int (buffer-substring (point) (mark t)))))
- ((looking-at "\\$")
- (forward-char 1)
- (setq ex-token-type 'end))
- ((looking-at "%")
- (forward-char 1)
- (setq ex-token-type 'whole))
- ((looking-at "+")
- (cond ((or (looking-at "+[-+]") (looking-at "+[\n|]"))
- (forward-char 1)
- (insert "1")
- (backward-char 1)
- (setq ex-token-type 'plus))
- ((looking-at "+[0-9]")
- (forward-char 1)
- (setq ex-token-type 'plus))
- (t
- (error vip-BadAddress))))
- ((looking-at "-")
- (cond ((or (looking-at "-[-+]") (looking-at "-[\n|]"))
- (forward-char 1)
- (insert "1")
- (backward-char 1)
- (setq ex-token-type 'minus))
- ((looking-at "-[0-9]")
- (forward-char 1)
- (setq ex-token-type 'minus))
- (t
- (error vip-BadAddress))))
- ((looking-at "/")
- (forward-char 1)
- (set-mark (point))
- (let ((cont t))
- (while (and (not (eolp)) cont)
- ;;(re-search-forward "[^/]*/")
- (re-search-forward "[^/]*\\(/\\|\n\\)")
- (if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\/"))
- (setq cont nil))))
- (backward-char 1)
- (setq ex-token (buffer-substring (point) (mark t)))
- (if (looking-at "/") (forward-char 1))
- (setq ex-token-type 'search-forward))
- ((looking-at "\\?")
- (forward-char 1)
- (set-mark (point))
- (let ((cont t))
- (while (and (not (eolp)) cont)
- ;;(re-search-forward "[^\\?]*\\?")
- (re-search-forward "[^\\?]*\\(\\?\\|\n\\)")
- (if (not (vip-looking-back "[^\\\\]\\(\\\\\\\\\\)*\\\\\\?"))
- (setq cont nil))
- (backward-char 1)
- (if (not (looking-at "\n")) (forward-char 1))))
- (setq ex-token-type 'search-backward)
- (setq ex-token (buffer-substring (1- (point)) (mark t))))
- ((looking-at ",")
- (forward-char 1)
- (setq ex-token-type 'comma))
- ((looking-at ";")
- (forward-char 1)
- (setq ex-token-type 'semi-colon))
- ((looking-at "[!=><&~]")
- (setq ex-token-type 'command)
- (setq ex-token (char-to-string (following-char)))
- (forward-char 1))
- ((looking-at "'")
- (setq ex-token-type 'goto-mark)
- (forward-char 1)
- (cond ((looking-at "'") (setq ex-token nil))
- ((looking-at "[a-z]") (setq ex-token (following-char)))
- (t (error "Marks are ' and a-z")))
- (forward-char 1))
- ((looking-at "\n")
- (setq ex-token-type 'end-mark)
- (setq ex-token "goto"))
- (t
- (error vip-BadExCommand)))))
-
- ;; Reads Ex command. Tries to determine if it has to exit because command
- ;; is complete or invalid. If not, keeps reading command.
- (defun ex-cmd-read-exit ()
- (interactive)
- (setq vip-incomplete-ex-cmd t)
- (let ((quit-regex1 (concat
- "\\(" "set[ \t]*"
- "\\|" "edit[ \t]*"
- "\\|" "[nN]ext[ \t]*"
- "\\|" "unm[ \t]*"
- "\\|" "^[ \t]*rep"
- "\\)"))
- (quit-regex2 (concat
- "[a-zA-Z][ \t]*"
- "\\(" "!" "\\|" ">>"
- "\\|" "\\+[0-9]+"
- "\\)"
- "*[ \t]*$"))
- (stay-regex (concat
- "\\(" "^[ \t]*$"
- "\\|" "[?/].*[?/].*"
- "\\|" "[ktgjmsz][ \t]*$"
- "\\|" "^[ \t]*ab.*"
- "\\|" "tr[ansfer \t]*"
- "\\|" "sr[ \t]*"
- "\\|" "mo.*"
- "\\|" "^[ \t]*k?ma[^p]*"
- "\\|" "^[ \t]*fi.*"
- "\\|" "v?gl.*"
- "\\|" "[vg][ \t]*$"
- "\\|" "jo.*"
- "\\|" "^[ \t]*ta.*"
- "\\|" "^[ \t]*una.*"
- "\\|" "^[ \t]*su.*"
- "\\|['`][a-z][ \t]*"
- "\\|" "![ \t]*[a-zA-Z].*"
- "\\)"
- "!*")))
-
- (save-window-excursion ;; put cursor at the end of the Ex working buffer
- (set-buffer vip-ex-work-buf)
- (goto-char (point-max)))
- (cond ((vip-looking-back quit-regex1) (exit-minibuffer))
- ((vip-looking-back stay-regex) (insert " "))
- ((vip-looking-back quit-regex2) (exit-minibuffer))
- (t (insert " ")))))
-
- ;; complete Ex command
- (defun ex-cmd-complete ()
- (interactive)
- (let (save-pos dist compl-list string-to-complete completion-result)
-
- (save-excursion
- (setq dist (skip-chars-backward "[a-zA-Z!=>&~]")
- save-pos (point)))
-
- (if (or (= dist 0)
- (vip-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)")
- (vip-looking-back
- "^[ \t]*[a-zA-Z!=>&~][ \t]*[/?]*+[ \t]+[a-zA-Z!=>&~]+"))
- ;; Preceding characters are not the ones allowed in an Ex command
- ;; or we have typed past command name.
- ;; Note: we didn't do parsing, so there may be surprises.
- (if (or (vip-looking-back "[a-zA-Z!=>&~][ \t]*[/?]*[ \t]*")
- (vip-looking-back "\\([ \t]*['`][ \t]*[a-z]*\\)")
- (looking-at "[^ \t\n\C-m]"))
- nil
- (with-output-to-temp-buffer "*Completions*"
- (display-completion-list
- (vip-alist-to-list ex-token-alist))))
- ;; Preceding chars may be part of a command name
- (setq string-to-complete (buffer-substring save-pos (point)))
- (setq completion-result
- (try-completion string-to-complete ex-token-alist))
-
- (cond ((eq completion-result t) ; exact match--do nothing
- (vip-tmp-insert-at-eob " (Sole completion)"))
- ((eq completion-result nil)
- (vip-tmp-insert-at-eob " (No match)"))
- (t ;; partial completion
- (goto-char save-pos)
- (delete-region (point) (point-max))
- (insert completion-result)
- (let (case-fold-search)
- (setq compl-list
- (vip-filter-alist (concat "^" completion-result)
- ex-token-alist)))
- (if (> (length compl-list) 1)
- (with-output-to-temp-buffer "*Completions*"
- (display-completion-list
- (vip-alist-to-list (reverse compl-list)))))))
- )))
-
-
- ;; Read Ex commands
- ;; Ex commands themselves are implemented in viper-ex.el
- (defun vip-ex (&optional string)
- (interactive)
- (or string
- (setq ex-g-flag nil
- ex-g-variant nil))
- (let* ((map (copy-keymap minibuffer-local-map))
- (address nil)
- (cont t)
- (dot (point))
- prev-token-type com-str)
-
- (vip-add-keymap vip-ex-cmd-map map)
-
- (setq com-str (or string (vip-read-string-with-history
- ":"
- nil
- 'vip-ex-history
- (car vip-ex-history)
- map)))
- (save-window-excursion
- ;; just a precaution
- (or (vip-buffer-live-p vip-ex-work-buf)
- (setq vip-ex-work-buf (get-buffer-create vip-ex-work-buf-name)))
- (set-buffer vip-ex-work-buf)
- (delete-region (point-min) (point-max))
- (insert com-str "\n")
- (goto-char (point-min)))
- (setq ex-token-type nil
- ex-addresses nil)
- (while cont
- (vip-get-ex-token)
- (cond ((memq ex-token-type '(command end-mark))
- (if address (setq ex-addresses (cons address ex-addresses)))
- (cond ((string= ex-token "global")
- (ex-global nil)
- (setq cont nil))
- ((string= ex-token "vglobal")
- (ex-global t)
- (setq cont nil))
- (t
- (vip-execute-ex-command)
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t")
- (cond ((looking-at "|")
- (forward-char 1))
- ((looking-at "\n")
- (setq cont nil))
- (t (error "`%s': %s" ex-token vip-SpuriousText)))
- ))
- ))
- ((eq ex-token-type 'non-command)
- (error "`%s': %s" ex-token vip-BadExCommand))
- ((eq ex-token-type 'whole)
- (setq address nil)
- (setq ex-addresses
- (if ex-addresses
- (cons (point-max) ex-addresses)
- (cons (point-max) (cons (point-min) ex-addresses)))))
- ((eq ex-token-type 'comma)
- (if (eq prev-token-type 'whole)
- (setq address (point-min)))
- (setq ex-addresses
- (cons (if (null address) (point) address) ex-addresses)))
- ((eq ex-token-type 'semi-colon)
- (if (eq prev-token-type 'whole)
- (setq address (point-min)))
- (if address (setq dot address))
- (setq ex-addresses
- (cons (if (null address) (point) address) ex-addresses)))
- (t (let ((ans (vip-get-ex-address-subr address dot)))
- (if ans (setq address ans)))))
- (setq prev-token-type ex-token-type))))
-
-
- ;; Get a regular expression and set `ex-variant', if found
- (defun vip-get-ex-pat ()
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t")
- (if (looking-at "!")
- (progn
- (setq ex-g-variant (not ex-g-variant)
- ex-g-flag (not ex-g-flag))
- (forward-char 1)
- (skip-chars-forward " \t")))
- (let ((c (following-char)))
- (if (string-match "[0-9A-Za-z]" (format "%c" c))
- (error
- "Global regexp must be inside matching non-alphanumeric chars"))
- (if (looking-at "[^\\\\\n]")
- (progn
- (forward-char 1)
- (set-mark (point))
- (let ((cont t))
- (while (and (not (eolp)) cont)
- (if (not (re-search-forward (format "[^%c]*%c" c c) nil t))
- (if (member ex-token '("global" "vglobal"))
- (error
- "Missing closing delimiter for global regexp")
- (goto-char (point-max))))
- (if (not (vip-looking-back
- (format "[^\\\\]\\(\\\\\\\\\\)*\\\\%c" c)))
- (setq cont nil))))
- (setq ex-token
- (if (= (mark t) (point)) ""
- (buffer-substring (1- (point)) (mark t))))
- (backward-char 1))
- (setq ex-token nil))
- c)))
-
- ;; get an ex command
- (defun vip-get-ex-command ()
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (if (looking-at "/") (forward-char 1))
- (skip-chars-forward " \t")
- (cond ((looking-at "[a-z]")
- (vip-get-ex-com-subr)
- (if (eq ex-token-type 'non-command)
- (error "`%s': %s" ex-token vip-BadExCommand)))
- ((looking-at "[!=><&~]")
- (setq ex-token (char-to-string (following-char)))
- (forward-char 1))
- (t (error vip-BadExCommand)))))
-
- ;; Get an Ex option g or c
- (defun vip-get-ex-opt-gc (c)
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (if (looking-at (format "%c" c)) (forward-char 1))
- (skip-chars-forward " \t")
- (cond ((looking-at "g")
- (setq ex-token "g")
- (forward-char 1)
- t)
- ((looking-at "c")
- (setq ex-token "c")
- (forward-char 1)
- t)
- (t nil))))
-
- ;; Compute default addresses. WHOLE-FLAG means use the whole buffer
- (defun vip-default-ex-addresses (&optional whole-flag)
- (cond ((null ex-addresses)
- (setq ex-addresses
- (if whole-flag
- (cons (point-max) (cons (point-min) nil))
- (cons (point) (cons (point) nil)))))
- ((null (cdr ex-addresses))
- (setq ex-addresses
- (cons (car ex-addresses) ex-addresses)))))
-
- ;; Get an ex-address as a marker and set ex-flag if a flag is found
- (defun vip-get-ex-address ()
- (let ((address (point-marker)) (cont t))
- (setq ex-token "")
- (setq ex-flag nil)
- (while cont
- (vip-get-ex-token)
- (cond ((eq ex-token-type 'command)
- (if (member ex-token '("print" "list" "#"))
- (progn
- (setq ex-flag t
- cont nil))
- (error "Address expected in this Ex command")))
- ((eq ex-token-type 'end-mark)
- (setq cont nil))
- ((eq ex-token-type 'whole)
- (error "Trailing address expected"))
- ((eq ex-token-type 'comma)
- (error "`%s': %s" ex-token vip-SpuriousText))
- (t (let ((ans (vip-get-ex-address-subr address (point-marker))))
- (if ans (setq address ans))))))
- address))
-
- ;; Returns an address as a point
- (defun vip-get-ex-address-subr (old-address dot)
- (let ((address nil))
- (if (null old-address) (setq old-address dot))
- (cond ((eq ex-token-type 'dot)
- (setq address dot))
- ((eq ex-token-type 'add-number)
- (save-excursion
- (goto-char old-address)
- (forward-line (if (= old-address 0) (1- ex-token) ex-token))
- (setq address (point-marker))))
- ((eq ex-token-type 'sub-number)
- (save-excursion
- (goto-char old-address)
- (forward-line (- ex-token))
- (setq address (point-marker))))
- ((eq ex-token-type 'abs-number)
- (save-excursion
- (goto-char (point-min))
- (if (= ex-token 0) (setq address 0)
- (forward-line (1- ex-token))
- (setq address (point-marker)))))
- ((eq ex-token-type 'end)
- (setq address (point-max-marker)))
- ((eq ex-token-type 'plus) t) ; do nothing
- ((eq ex-token-type 'minus) t) ; do nothing
- ((eq ex-token-type 'search-forward)
- (save-excursion
- (ex-search-address t)
- (setq address (point-marker))))
- ((eq ex-token-type 'search-backward)
- (save-excursion
- (ex-search-address nil)
- (setq address (point-marker))))
- ((eq ex-token-type 'goto-mark)
- (save-excursion
- (if (null ex-token)
- (exchange-point-and-mark)
- (goto-char (vip-register-to-point
- (1+ (- ex-token ?a)) 'enforce-buffer)))
- (setq address (point-marker)))))
- address))
-
-
- ;; Search pattern and set address
- (defun ex-search-address (forward)
- (if (string= ex-token "")
- (if (null vip-s-string)
- (error vip-NoPrevSearch)
- (setq ex-token vip-s-string))
- (setq vip-s-string ex-token))
- (if forward
- (progn
- (forward-line 1)
- (re-search-forward ex-token))
- (forward-line -1)
- (re-search-backward ex-token)))
-
- ;; Get a buffer name and set `ex-count' and `ex-flag' if found
- (defun vip-get-ex-buffer ()
- (setq ex-buffer nil)
- (setq ex-count nil)
- (setq ex-flag nil)
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t")
- (if (looking-at "[a-zA-Z]")
- (progn
- (setq ex-buffer (following-char))
- (forward-char 1)
- (skip-chars-forward " \t")))
- (if (looking-at "[0-9]")
- (progn
- (set-mark (point))
- (re-search-forward "[0-9][0-9]*")
- (setq ex-count (string-to-int (buffer-substring (point) (mark t))))
- (skip-chars-forward " \t")))
- (if (looking-at "[pl#]")
- (progn
- (setq ex-flag t)
- (forward-char 1)))
- (if (not (looking-at "[\n|]"))
- (error "`%s': %s" ex-token vip-SpuriousText))))
-
- (defun vip-get-ex-count ()
- (setq ex-variant nil
- ex-count nil
- ex-flag nil)
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t")
- (if (looking-at "!")
- (progn
- (setq ex-variant t)
- (forward-char 1)))
- (skip-chars-forward " \t")
- (if (looking-at "[0-9]")
- (progn
- (set-mark (point))
- (re-search-forward "[0-9][0-9]*")
- (setq ex-count (string-to-int (buffer-substring (point) (mark t))))
- (skip-chars-forward " \t")))
- (if (looking-at "[pl#]")
- (progn
- (setq ex-flag t)
- (forward-char 1)))
- (if (not (looking-at "[\n|]"))
- (error "`%s': %s"
- (buffer-substring (point-min) (1- (point-max))) vip-BadExCommand))))
-
- ;; Expand \% and \# in ex command
- (defun ex-expand-filsyms (cmd buf)
- (let (cf pf ret)
- (save-excursion
- (set-buffer buf)
- (setq cf buffer-file-name)
- (setq pf (ex-next nil t))) ; this finds alternative file name
- (if (and (null cf) (string-match "[^\\]%\\|\\`%" cmd))
- (error "No current file to substitute for `%%'"))
- (if (and (null pf) (string-match "[^\\]#\\|\\`#" cmd))
- (error "No alternate file to substitute for `#'"))
- (save-excursion
- (set-buffer (get-buffer-create vip-ex-tmp-buf-name))
- (erase-buffer)
- (insert cmd)
- (goto-char (point-min))
- (while (re-search-forward "%\\|#" nil t)
- (let ((data (match-data))
- (char (buffer-substring (match-beginning 0) (match-end 0))))
- (if (vip-looking-back (concat "\\\\" char))
- (replace-match char)
- (store-match-data data)
- (if (string= char "%")
- (replace-match cf)
- (replace-match pf)))))
- (end-of-line)
- (setq ret (buffer-substring (point-min) (point)))
- (message "%s" ret))
- ret))
-
- ;; Get a file name and set ex-variant, `ex-append' and `ex-offset' if found
- (defun vip-get-ex-file ()
- (let (prompt)
- (setq ex-file nil
- ex-variant nil
- ex-append nil
- ex-offset nil
- ex-cmdfile nil)
- (save-excursion
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t")
- (if (looking-at "!")
- (if (and (not (vip-looking-back "[ \t]"))
- ;; read doesn't have a corresponding :r! form, so ! is
- ;; immediately interpreted as a shell command.
- (not (string= ex-token "read")))
- (progn
- (setq ex-variant t)
- (forward-char 1)
- (skip-chars-forward " \t"))
- (setq ex-cmdfile t)
- (forward-char 1)
- (skip-chars-forward " \t")))
- (if (looking-at ">>")
- (progn
- (setq ex-append t
- ex-variant t)
- (forward-char 2)
- (skip-chars-forward " \t")))
- (if (looking-at "+")
- (progn
- (forward-char 1)
- (set-mark (point))
- (re-search-forward "[ \t\n]")
- (backward-char 1)
- (setq ex-offset (buffer-substring (point) (mark t)))
- (forward-char 1)
- (skip-chars-forward " \t")))
- ;; this takes care of :r, :w, etc., when they get file names
- ;; from the history list
- (if (member ex-token '("read" "write" "edit" "visual" "next"))
- (progn
- (setq ex-file (buffer-substring (point) (1- (point-max))))
- (setq ex-file
- ;; For :e, match multiple non-white strings separated
- ;; by white. For others, find the first non-white string
- (if (string-match
- (if (string= ex-token "edit")
- "[^ \t\n]+\\([ \t]+[^ \t\n]+\\)*"
- "[^ \t\n]+")
- ex-file)
- (progn
- ;; if file name comes from history, don't leave
- ;; minibuffer when the user types space
- (setq vip-incomplete-ex-cmd nil)
- ;; this must be the last clause in this progn
- (substring ex-file (match-beginning 0) (match-end 0))
- )
- ""))
- ;; this leaves only the command name in the work area
- ;; file names are gone
- (delete-region (point) (1- (point-max)))
- ))
- (goto-char (point-max))
- (skip-chars-backward " \t\n")
- (setq prompt (buffer-substring (point-min) (point)))
- ))
-
- (setq vip-last-ex-prompt prompt)
-
- ;; If we just finished reading command, redisplay prompt
- (if vip-incomplete-ex-cmd
- (setq ex-file (vip-ex-read-file-name (format ":%s " prompt)))
- ;; file was typed in-line
- (setq ex-file (or ex-file "")))
- ))
-
-
- ;; Completes file name or exits minibuffer. If Ex command accepts multiple
- ;; file names, arranges to re-enter the minibuffer.
- (defun vip-complete-filename-or-exit ()
- (interactive)
- (setq vip-keep-reading-filename t)
- ;; don't exit if directory---ex-commands don't
- (cond ((ex-cmd-accepts-multiple-files-p ex-token) (exit-minibuffer))
- ;; apparently the argument to an Ex command is
- ;; supposed to be a shell command
- ((vip-looking-back "^[ \t]*!.*")
- (setq ex-cmdfile t)
- (insert " "))
- (t
- (setq ex-cmdfile nil)
- (minibuffer-complete-word))))
-
- (defun vip-handle-! ()
- (interactive)
- (if (and (string=
- (buffer-string) (vip-abbreviate-file-name default-directory))
- (member ex-token '("read" "write")))
- (erase-buffer))
- (insert "!"))
-
- (defun ex-cmd-accepts-multiple-files-p (token)
- (member token '("edit" "next" "Next")))
-
- ;; If user doesn't enter anything, then "" is returned, i.e., the
- ;; prompt-directory is not returned.
- (defun vip-ex-read-file-name (prompt)
- (let* ((str "")
- (minibuffer-local-completion-map
- (copy-keymap minibuffer-local-completion-map))
- beg end cont val)
-
- (vip-add-keymap ex-read-filename-map
- (if vip-emacs-p
- minibuffer-local-completion-map
- read-file-name-map))
-
- (setq cont (setq vip-keep-reading-filename t))
- (while cont
- (setq vip-keep-reading-filename nil
- val (read-file-name (concat prompt str) nil default-directory))
- (if (string-match " " val)
- (setq val (concat "\\\"" val "\\\"")))
- (setq str (concat str (if (equal val "") "" " ")
- val (if (equal val "") "" " ")))
-
- ;; Only edit, next, and Next commands accept multiple files.
- ;; vip-keep-reading-filename is set in the anonymous function that is
- ;; bound to " " in ex-read-filename-map.
- (setq cont (and vip-keep-reading-filename
- (ex-cmd-accepts-multiple-files-p ex-token)))
- )
-
- (setq beg (string-match "[^ \t]" str) ; delete leading blanks
- end (string-match "[ \t]*$" str)) ; delete trailing blanks
- (if (member ex-token '("read" "write"))
- (if (string-match "[\t ]*!" str)
- ;; this is actually a shell command
- (progn
- (setq ex-cmdfile t)
- (setq beg (1+ beg))
- (setq vip-last-ex-prompt (concat vip-last-ex-prompt " !")))))
- (substring str (or beg 0) end)))
-
- ;; Execute ex command using the value of addresses
- (defun vip-execute-ex-command ()
- (vip-deactivate-mark)
- (cond ((string= ex-token "args") (ex-args))
- ((string= ex-token "copy") (ex-copy nil))
- ((string= ex-token "cd") (ex-cd))
- ((string= ex-token "chdir") (ex-cd))
- ((string= ex-token "delete") (ex-delete))
- ((string= ex-token "edit") (ex-edit))
- ((string= ex-token "file") (vip-info-on-file))
- ((string= ex-token "goto") (ex-goto))
- ((string= ex-token "help") (ex-help))
- ((string= ex-token "join") (ex-line "join"))
- ((string= ex-token "kmark") (ex-mark))
- ((string= ex-token "mark") (ex-mark))
- ((string= ex-token "map") (ex-map))
- ((string= ex-token "move") (ex-copy t))
- ((string= ex-token "next") (ex-next ex-cycle-other-window))
- ((string= ex-token "Next") (ex-next (not ex-cycle-other-window)))
- ((string= ex-token "RelatedFile") (ex-next-related-buffer 1))
- ((string= ex-token "put") (ex-put))
- ((string= ex-token "pwd") (ex-pwd))
- ((string= ex-token "preserve") (ex-preserve))
- ((string= ex-token "PreviousRelatedFile") (ex-next-related-buffer -1))
- ((string= ex-token "quit") (ex-quit))
- ((string= ex-token "read") (ex-read))
- ((string= ex-token "recover") (ex-recover))
- ((string= ex-token "rewind") (ex-rewind))
- ((string= ex-token "submitReport") (vip-submit-report))
- ((string= ex-token "set") (ex-set))
- ((string= ex-token "shell") (ex-shell))
- ((string= ex-token "source") (ex-source))
- ((string= ex-token "sr") (ex-substitute t t))
- ((string= ex-token "substitute") (ex-substitute))
- ((string= ex-token "suspend") (suspend-emacs))
- ((string= ex-token "stop") (suspend-emacs))
- ((string= ex-token "transfer") (ex-copy nil))
- ((string= ex-token "buffer") (if ex-cycle-other-window
- (vip-switch-to-buffer-other-window)
- (vip-switch-to-buffer)))
- ((string= ex-token "Buffer") (if ex-cycle-other-window
- (vip-switch-to-buffer)
- (vip-switch-to-buffer-other-window)))
- ((string= ex-token "tag") (ex-tag))
- ((string= ex-token "undo") (vip-undo))
- ((string= ex-token "unmap") (ex-unmap))
- ((string= ex-token "version") (vip-version))
- ((string= ex-token "visual") (ex-edit))
- ((string= ex-token "write") (ex-write nil))
- ((string= ex-token "Write") (save-some-buffers))
- ((string= ex-token "wq") (ex-write t))
- ((string= ex-token "WWrite") (save-some-buffers t)) ; don't ask
- ((string= ex-token "xit") (ex-write t))
- ((string= ex-token "yank") (ex-yank))
- ((string= ex-token "!") (ex-command))
- ((string= ex-token "=") (ex-line-no))
- ((string= ex-token ">") (ex-line "right"))
- ((string= ex-token "<") (ex-line "left"))
- ((string= ex-token "&") (ex-substitute t))
- ((string= ex-token "~") (ex-substitute t t))
- ((or (string= ex-token "append")
- (string= ex-token "change")
- (string= ex-token "insert")
- (string= ex-token "open"))
- (error "`%s': Obsolete command, not supported by Viper" ex-token))
- ((or (string= ex-token "abbreviate")
- (string= ex-token "unabbreviate"))
- (error
- "`%s': Vi abbrevs are obsolete. Use the more powerful Emacs abbrevs"
- ex-token))
- ((or (string= ex-token "list")
- (string= ex-token "print")
- (string= ex-token "z")
- (string= ex-token "#"))
- (error "`%s': Command not implemented in Viper" ex-token))
- (t (error "`%s': %s" ex-token vip-BadExCommand))))
-
- (defun vip-undisplayed-files ()
- (mapcar
- (function
- (lambda (b)
- (if (null (get-buffer-window b))
- (let ((f (buffer-file-name b)))
- (if f f
- (if ex-cycle-through-non-files
- (let ((s (buffer-name b)))
- (if (string= " " (substring s 0 1))
- nil
- s))
- nil)))
- nil)))
- (buffer-list)))
-
-
- (defun ex-args ()
- (let ((l (vip-undisplayed-files))
- (args "")
- (file-count 1))
- (while (not (null l))
- (if (car l)
- (setq args (format "%s %d) %s\n" args file-count (car l))
- file-count (1+ file-count)))
- (setq l (cdr l)))
- (if (string= args "")
- (message "All files are already displayed")
- (save-excursion
- (save-window-excursion
- (with-output-to-temp-buffer " *vip-info*"
- (princ "\n\nThese files are not displayed in any window.\n")
- (princ "\n=============\n")
- (princ args)
- (princ "\n=============\n")
- (princ "\nThe numbers can be given as counts to :next. ")
- (princ "\n\nPress any key to continue...\n\n"))
- (vip-read-event))))))
-
- ;; Ex cd command. Default directory of this buffer changes
- (defun ex-cd ()
- (vip-get-ex-file)
- (if (string= ex-file "")
- (setq ex-file "~"))
- (setq default-directory (file-name-as-directory (expand-file-name ex-file))))
-
- ;; Ex copy and move command. DEL-FLAG means delete
- (defun ex-copy (del-flag)
- (vip-default-ex-addresses)
- (let ((address (vip-get-ex-address))
- (end (car ex-addresses)) (beg (car (cdr ex-addresses))))
- (goto-char end)
- (save-excursion
- (push-mark beg t)
- (vip-enlarge-region (mark t) (point))
- (if del-flag
- (kill-region (point) (mark t))
- (copy-region-as-kill (point) (mark t)))
- (if ex-flag
- (progn
- (with-output-to-temp-buffer "*copy text*"
- (princ
- (if (or del-flag ex-g-flag ex-g-variant)
- (current-kill 0)
- (buffer-substring (point) (mark t)))))
- (condition-case nil
- (progn
- (read-string "[Hit return to continue] ")
- (save-excursion (kill-buffer "*copy text*")))
- (quit (save-excursion (kill-buffer "*copy text*"))
- (signal 'quit nil))))))
- (if (= address 0)
- (goto-char (point-min))
- (goto-char address)
- (forward-line 1))
- (insert (current-kill 0))))
-
- ;; Ex delete command
- (defun ex-delete ()
- (vip-default-ex-addresses)
- (vip-get-ex-buffer)
- (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
- (if (> beg end) (error vip-FirstAddrExceedsSecond))
- (save-excursion
- (vip-enlarge-region beg end)
- (exchange-point-and-mark)
- (if ex-count
- (progn
- (set-mark (point))
- (forward-line (1- ex-count)))
- (set-mark end))
- (vip-enlarge-region (point) (mark t))
- (if ex-flag
- ;; show text to be deleted and ask for confirmation
- (progn
- (with-output-to-temp-buffer " *delete text*"
- (princ (buffer-substring (point) (mark t))))
- (condition-case nil
- (read-string "[Hit return to continue] ")
- (quit
- (save-excursion (kill-buffer " *delete text*"))
- (error "")))
- (save-excursion (kill-buffer " *delete text*")))
- (if ex-buffer
- (cond ((vip-valid-register ex-buffer '(Letter))
- (vip-append-to-register
- (downcase ex-buffer) (point) (mark t)))
- ((vip-valid-register ex-buffer)
- (copy-to-register ex-buffer (point) (mark t) nil))
- (t (error vip-InvalidRegister ex-buffer))))
- (kill-region (point) (mark t))))))
-
-
-
- ;; Ex edit command
- ;; In Viper, `e' and `e!' behave identically. In both cases, the user is
- ;; asked if current buffer should really be discarded.
- ;; This command can take multiple file names. It replaces the current buffer
- ;; with the first file in its argument list
- (defun ex-edit (&optional file)
- (if (not file)
- (vip-get-ex-file))
- (cond ((and (string= ex-file "") buffer-file-name)
- (setq ex-file (vip-abbreviate-file-name (buffer-file-name))))
- ((string= ex-file "")
- (error vip-NoFileSpecified)))
-
- (let (msg do-edit)
- (if buffer-file-name
- (cond ((buffer-modified-p)
- (setq msg
- (format "Buffer %s is modified. Discard changes? "
- (buffer-name))
- do-edit t))
- ((not (verify-visited-file-modtime (current-buffer)))
- (setq msg
- (format "File %s changed on disk. Reread from disk? "
- buffer-file-name)
- do-edit t))
- (t (setq do-edit nil))))
-
- (if do-edit
- (if (yes-or-no-p msg)
- (progn
- (set-buffer-modified-p nil)
- (kill-buffer (current-buffer)))
- (message "Buffer %s was left intact" (buffer-name))))
- ) ; let
-
- (if (null (setq file (get-file-buffer ex-file)))
- (progn
- (ex-find-file ex-file)
- (vip-change-state-to-vi)
- (goto-char (point-min)))
- (switch-to-buffer file))
- (if ex-offset
- (progn
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (delete-region (point-min) (point-max))
- (insert ex-offset "\n")
- (goto-char (point-min)))
- (goto-char (vip-get-ex-address))
- (beginning-of-line)))
- (ex-fixup-history vip-last-ex-prompt ex-file))
-
- ;; Splits the string FILESPEC into substrings separated by newlines.
- ;; Each line is assumed to be a file name. find-file's each file thus obtained.
- (defun ex-find-file (filespec)
- (let ((nonstandard-filename-chars "[^a-zA-Z0-9_.-/,\\]"))
- (if (string-match nonstandard-filename-chars filespec)
- (funcall ex-nontrivial-find-file-function filespec)
- (find-file filespec))
- ))
-
-
- ;; Ex global command
- (defun ex-global (variant)
- (let ((gcommand ex-token))
- (if (or ex-g-flag ex-g-variant)
- (error "`%s' within `global' is not allowed" gcommand)
- (if variant
- (setq ex-g-flag nil
- ex-g-variant t)
- (setq ex-g-flag t
- ex-g-variant nil)))
- (vip-get-ex-pat)
- (if (null ex-token)
- (error "`%s': Missing regular expression" gcommand)))
-
- (if (string= ex-token "")
- (if (null vip-s-string)
- (error vip-NoPrevSearch)
- (setq ex-g-pat vip-s-string))
- (setq ex-g-pat ex-token
- vip-s-string ex-token))
- (if (null ex-addresses)
- (setq ex-addresses (list (point-max) (point-min)))
- (vip-default-ex-addresses))
- (let ((marks nil) (mark-count 0)
- com-str (end (car ex-addresses)) (beg (car (cdr ex-addresses))))
- (if (> beg end) (error vip-FirstAddrExceedsSecond))
- (save-excursion
- (vip-enlarge-region beg end)
- (exchange-point-and-mark)
- (let ((cont t) (limit (point-marker)))
- (exchange-point-and-mark)
- ;; skip the last line if empty
- (beginning-of-line)
- (if (eobp) (vip-backward-char-carefully))
- (while (and cont (not (bobp)) (>= (point) limit))
- (beginning-of-line)
- (set-mark (point))
- (end-of-line)
- (let ((found (re-search-backward ex-g-pat (mark t) t)))
- (if (or (and ex-g-flag found)
- (and ex-g-variant (not found)))
- (progn
- (end-of-line)
- (setq mark-count (1+ mark-count))
- (setq marks (cons (point-marker) marks)))))
- (beginning-of-line)
- (if (bobp) (setq cont nil)
- (forward-line -1)
- (end-of-line)))))
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (setq com-str (buffer-substring (1+ (point)) (1- (point-max)))))
- (while marks
- (goto-char (car marks))
- (vip-ex com-str)
- (setq mark-count (1- mark-count))
- (setq marks (cdr marks)))))
-
- ;; Ex goto command
- (defun ex-goto ()
- (if (null ex-addresses)
- (setq ex-addresses (cons (point) nil)))
- (push-mark (point) t)
- (goto-char (car ex-addresses))
- (beginning-of-line))
-
- ;; Ex line commands. COM is join, shift-right or shift-left
- (defun ex-line (com)
- (vip-default-ex-addresses)
- (vip-get-ex-count)
- (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))) point)
- (if (> beg end) (error vip-FirstAddrExceedsSecond))
- (save-excursion
- (vip-enlarge-region beg end)
- (exchange-point-and-mark)
- (if ex-count
- (progn
- (set-mark (point))
- (forward-line ex-count)))
- (if ex-flag
- ;; show text to be joined and ask for confirmation
- (progn
- (with-output-to-temp-buffer " *text*"
- (princ (buffer-substring (point) (mark t))))
- (condition-case nil
- (progn
- (read-string "[Hit return to continue] ")
- (ex-line-subr com (point) (mark t)))
- (quit (ding)))
- (save-excursion (kill-buffer " *text*")))
- (ex-line-subr com (point) (mark t)))
- (setq point (point)))
- (goto-char (1- point))
- (beginning-of-line)))
-
- (defun ex-line-subr (com beg end)
- (cond ((string= com "join")
- (goto-char (min beg end))
- (while (and (not (eobp)) (< (point) (max beg end)))
- (end-of-line)
- (if (and (<= (point) (max beg end)) (not (eobp)))
- (progn
- (forward-line 1)
- (delete-region (point) (1- (point)))
- (if (not ex-variant) (fixup-whitespace))))))
- ((or (string= com "right") (string= com "left"))
- (indent-rigidly
- (min beg end) (max beg end)
- (if (string= com "right") vip-shift-width (- vip-shift-width)))
- (goto-char (max beg end))
- (end-of-line)
- (vip-forward-char-carefully))))
-
-
- ;; Ex mark command
- (defun ex-mark ()
- (let (char)
- (if (null ex-addresses)
- (setq ex-addresses
- (cons (point) nil)))
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t")
- (if (looking-at "[a-z]")
- (progn
- (setq char (following-char))
- (forward-char 1)
- (skip-chars-forward " \t")
- (if (not (looking-at "[\n|]"))
- (error "`%s': %s" ex-token vip-SpuriousText)))
- (error "`%s' requires a following letter" ex-token)))
- (save-excursion
- (goto-char (car ex-addresses))
- (point-to-register (1+ (- char ?a))))))
-
-
-
- ;; Alternate file is the file next to the first one in the buffer ring
- (defun ex-next (cycle-other-window &optional find-alt-file)
- (catch 'ex-edit
- (let (count l)
- (if (not find-alt-file)
- (progn
- (vip-get-ex-file)
- (if (or (char-or-string-p ex-offset)
- (and (not (string= "" ex-file))
- (not (string-match "^[0-9]+$" ex-file))))
- (progn
- (ex-edit t)
- (throw 'ex-edit nil))
- (setq count (string-to-int ex-file))
- (if (= count 0) (setq count 1))
- (if (< count 0) (error "Usage: `next <count>' (count >= 0)"))))
- (setq count 1))
- (setq l (vip-undisplayed-files))
- (while (> count 0)
- (while (and (not (null l)) (null (car l)))
- (setq l (cdr l)))
- (setq count (1- count))
- (if (> count 0)
- (setq l (cdr l))))
- (if find-alt-file (car l)
- (progn
- (if (and (car l) (get-file-buffer (car l)))
- (let* ((w (if cycle-other-window
- (get-lru-window) (selected-window)))
- (b (window-buffer w)))
- (set-window-buffer w (get-file-buffer (car l)))
- (bury-buffer b)
- ;; this puts "next <count>" in the ex-command history
- (ex-fixup-history vip-last-ex-prompt ex-file))
- (error "Not that many undisplayed files")))))))
-
-
- (defun ex-next-related-buffer (direction &optional no-recursion)
-
- (vip-ring-rotate1 vip-related-files-and-buffers-ring direction)
-
- (let ((file-or-buffer-name
- (vip-current-ring-item vip-related-files-and-buffers-ring))
- (old-ring vip-related-files-and-buffers-ring)
- (old-win (selected-window))
- skip-rest buf wind)
-
- (or (and (ring-p vip-related-files-and-buffers-ring)
- (> (ring-length vip-related-files-and-buffers-ring) 0))
- (error "This buffer has no related files or buffers"))
-
- (or (stringp file-or-buffer-name)
- (error
- "File and buffer names must be strings, %S" file-or-buffer-name))
-
- (setq buf (cond ((get-buffer file-or-buffer-name))
- ((file-exists-p file-or-buffer-name)
- (find-file-noselect file-or-buffer-name))
- ))
-
- (if (not (vip-buffer-live-p buf))
- (error "Didn't find buffer %S or file %S"
- file-or-buffer-name
- (vip-abbreviate-file-name
- (expand-file-name file-or-buffer-name))))
-
- (if (equal buf (current-buffer))
- (or no-recursion
- ;; try again
- (progn
- (setq skip-rest t)
- (ex-next-related-buffer direction 'norecursion))))
-
- (if skip-rest
- ()
- ;; setup buffer
- (if (setq wind (vip-get-visible-buffer-window buf))
- ()
- (setq wind (get-lru-window (if vip-xemacs-p nil 'visible)))
- (set-window-buffer wind buf))
-
- (if (vip-window-display-p)
- (progn
- (raise-frame (window-frame wind))
- (if (equal (window-frame wind) (window-frame old-win))
- (save-window-excursion (select-window wind) (sit-for 1))
- (select-window wind)))
- (save-window-excursion (select-window wind) (sit-for 1)))
-
- (save-excursion
- (set-buffer buf)
- (setq vip-related-files-and-buffers-ring old-ring))
-
- (setq vip-local-search-start-marker (point-marker))
- )))
-
-
- ;; Force auto save
- (defun ex-preserve ()
- (message "Autosaving all buffers that need to be saved...")
- (do-auto-save t))
-
- ;; Ex put
- (defun ex-put ()
- (let ((point (if (null ex-addresses) (point) (car ex-addresses))))
- (vip-get-ex-buffer)
- (setq vip-use-register ex-buffer)
- (goto-char point)
- (if (bobp) (vip-Put-back 1) (vip-put-back 1))))
-
- ;; Ex print working directory
- (defun ex-pwd ()
- (message default-directory))
-
- ;; Ex quit command
- (defun ex-quit ()
- ;; skip "!", if it is q!. In Viper q!, w!, etc., behave as q, w, etc.
- (save-excursion
- (set-buffer vip-ex-work-buf)
- (if (looking-at "!") (forward-char 1)))
- (if (< vip-expert-level 3)
- (save-buffers-kill-emacs)
- (kill-buffer (current-buffer))))
-
-
- ;; Ex read command
- (defun ex-read ()
- (vip-get-ex-file)
- (let ((point (if (null ex-addresses) (point) (car ex-addresses)))
- command)
- (goto-char point)
- (vip-add-newline-at-eob-if-necessary)
- (if (not (or (bobp) (eobp))) (forward-line 1))
- (if (and (not ex-variant) (string= ex-file ""))
- (progn
- (if (null buffer-file-name)
- (error vip-NoFileSpecified))
- (setq ex-file buffer-file-name)))
- (if ex-cmdfile
- (progn
- (setq command (ex-expand-filsyms ex-file (current-buffer)))
- (shell-command command t))
- (insert-file-contents ex-file)))
- (ex-fixup-history vip-last-ex-prompt ex-file))
-
- ;; this function fixes ex-history for some commands like ex-read, ex-edit
- (defun ex-fixup-history (&rest args)
- (setq vip-ex-history
- (cons (mapconcat 'identity args " ") (cdr vip-ex-history))))
-
-
- ;; Ex recover from emacs \#file\#
- (defun ex-recover ()
- (vip-get-ex-file)
- (if (or ex-append ex-offset)
- (error "`recover': %s" vip-SpuriousText))
- (if (string= ex-file "")
- (progn
- (if (null buffer-file-name)
- (error "This buffer isn't visiting any file"))
- (setq ex-file buffer-file-name))
- (setq ex-file (expand-file-name ex-file)))
- (if (and (not (string= ex-file (buffer-file-name)))
- (buffer-modified-p)
- (not ex-variant))
- (error "No write since last change \(:rec! overrides\)"))
- (recover-file ex-file))
-
- ;; Tell that `rewind' is obsolete and to use `:next count' instead
- (defun ex-rewind ()
- (message
- "Use `:n <count>' instead. Counts are obtained from the `:args' command"))
-
-
- ;; read variable name for ex-set
- (defun ex-set-read-variable ()
- (let ((minibuffer-local-completion-map
- (copy-keymap minibuffer-local-completion-map))
- (cursor-in-echo-area t)
- str batch)
- (define-key
- minibuffer-local-completion-map " " 'minibuffer-complete-and-exit)
- (define-key minibuffer-local-completion-map "=" 'exit-minibuffer)
- (if (vip-set-unread-command-events
- (ex-get-inline-cmd-args "[ \t]*[a-zA-Z]*[ \t]*" nil "\C-m"))
- (progn
- (setq batch t)
- (vip-set-unread-command-events ?\C-m)))
- (message ":set <Variable> [= <Value>]")
- (or batch (sit-for 2))
-
- (while (string-match "^[ \\t\\n]*$"
- (setq str
- (completing-read ":set " ex-variable-alist)))
- (message ":set <Variable> ")
- ;; if there are unread events, don't wait
- (or (vip-set-unread-command-events "") (sit-for 2))
- ) ; while
- str))
-
-
- (defun ex-set ()
- (let ((var (ex-set-read-variable))
- (val 0)
- (set-cmd "setq")
- (ask-if-save t)
- (auto-cmd-label "; don't touch or else...")
- (delete-turn-on-auto-fill-pattern
- "([ \t]*add-hook[ \t]+'vip-insert-state-hooks[ \t]+'turn-on-auto-fill.*)")
- actual-lisp-cmd lisp-cmd-del-pattern
- val2 orig-var)
- (setq orig-var var)
- (cond ((member var '("ai" "autoindent"))
- (setq var "vip-auto-indent"
- set-cmd "setq"
- ask-if-save nil
- val "t"))
- ((member var '("gai" "global-autoindent"))
- (kill-local-variable 'vip-auto-indent)
- (setq var "vip-auto-indent"
- set-cmd "setq-default"
- val "t"))
- ((member var '("noai" "noautoindent"))
- (setq var "vip-auto-indent"
- ask-if-save nil
- val "nil"))
- ((member var '("gnoai" "global-noautoindent"))
- (kill-local-variable 'vip-auto-indent)
- (setq var "vip-auto-indent"
- set-cmd "setq-default"
- val "nil"))
- ((member var '("ic" "ignorecase"))
- (setq var "vip-case-fold-search"
- val "t"))
- ((member var '("noic" "noignorecase"))
- (setq var "vip-case-fold-search"
- val "nil"))
- ((member var '("ma" "magic"))
- (setq var "vip-re-search"
- val "t"))
- ((member var '("noma" "nomagic"))
- (setq var "vip-re-search"
- val "nil"))
- ((member var '("ro" "readonly"))
- (setq var "buffer-read-only"
- val "t"))
- ((member var '("noro" "noreadonly"))
- (setq var "buffer-read-only"
- val "nil"))
- ((member var '("sm" "showmatch"))
- (setq var "blink-matching-paren"
- val "t"))
- ((member var '("nosm" "noshowmatch"))
- (setq var "blink-matching-paren"
- val "nil"))
- ((member var '("ws" "wrapscan"))
- (setq var "vip-search-wrap-around-t"
- val "t"))
- ((member var '("nows" "nowrapscan"))
- (setq var "vip-search-wrap-around-t"
- val "nil")))
- (if (eq val 0) ; value must be set by the user
- (let ((cursor-in-echo-area t))
- (message ":set %s = <Value>" var)
- ;; if there are unread events, don't wait
- (or (vip-set-unread-command-events "") (sit-for 2))
- (setq val (read-string (format ":set %s = " var)))
- (ex-fixup-history "set" orig-var val)
-
- ;; check numerical values
- (if (member var
- '("sw" "shiftwidth"
- "ts" "tabstop"
- "gts" "global-tabstop"
- "wm" "wrapmargin"))
- (condition-case nil
- (or (numberp (setq val2 (car (read-from-string val))))
- (error "%s: Invalid value, numberp, %S" var val))
- (error
- (error "%s: Invalid value, numberp, %S" var val))))
-
- (cond
- ((member var '("sw" "shiftwidth"))
- (setq var "vip-shift-width"))
- ((member var '("ts" "tabstop"))
- ;; make it take effect in curr buff and new bufs
- (setq var "tab-width"
- set-cmd "setq"
- ask-if-save nil))
- ((member var '("gts" "global-tabstop"))
- (kill-local-variable 'tab-width)
- (setq var "tab-width"
- set-cmd "setq-default"))
- ((member var '("wm" "wrapmargin"))
- ;; make it take effect in curr buff and new bufs
- (kill-local-variable 'fill-column)
- (setq var "fill-column"
- val (format "(- (window-width) %s)" val)
- set-cmd "setq-default"))
- ((member var '("sh" "shell"))
- (setq var "explicit-shell-file-name"
- val (format "\"%s\"" val)))))
- (ex-fixup-history "set" orig-var))
-
- (setq actual-lisp-cmd (format "\n(%s %s %s) %s"
- set-cmd var val auto-cmd-label))
- (setq lisp-cmd-del-pattern
- (format "^\n?[ \t]*([ \t]*%s[ \t]+%s[ \t].*)[ \t]*%s"
- set-cmd var auto-cmd-label))
-
- (if (and ask-if-save
- (y-or-n-p (format "Do you want to save this setting in %s "
- vip-custom-file-name)))
- (progn
- (vip-save-string-in-file
- actual-lisp-cmd vip-custom-file-name
- ;; del pattern
- lisp-cmd-del-pattern)
- (if (string= var "fill-column")
- (if (> val2 0)
- (vip-save-string-in-file
- (concat
- "(add-hook 'vip-insert-state-hooks 'turn-on-auto-fill) "
- auto-cmd-label)
- vip-custom-file-name
- delete-turn-on-auto-fill-pattern)
- (vip-save-string-in-file
- nil vip-custom-file-name delete-turn-on-auto-fill-pattern)
- (vip-save-string-in-file
- nil vip-custom-file-name
- ;; del pattern
- lisp-cmd-del-pattern)
- ))
- ))
-
- (message "%s %s %s" set-cmd var (if (string-match "^[ \t]*$" val)
- (format "%S" val)
- val))
- (eval (car (read-from-string actual-lisp-cmd)))
- (if (string= var "fill-column")
- (if (> val2 0)
- (auto-fill-mode 1)
- (auto-fill-mode -1)))
-
- ))
-
- ;; In inline args, skip regex-forw and (optionally) chars-back.
- ;; Optional 3d arg is a string that should replace ' ' to prevent its
- ;; special meaning
- (defun ex-get-inline-cmd-args (regex-forw &optional chars-back replace-str)
- (save-excursion
- (set-buffer vip-ex-work-buf)
- (goto-char (point-min))
- (re-search-forward regex-forw nil t)
- (let ((beg (point))
- end)
- (goto-char (point-max))
- (if chars-back
- (skip-chars-backward chars-back)
- (skip-chars-backward " \t\n\C-m"))
- (setq end (point))
- ;; replace SPC with `=' to suppress the special meaning SPC has
- ;; in Ex commands
- (goto-char beg)
- (if replace-str
- (while (re-search-forward " +" nil t)
- (replace-match replace-str nil t)
- (vip-forward-char-carefully)))
- (goto-char end)
- (buffer-substring beg end))))
-
-
- ;; Ex shell command
- (defun ex-shell ()
- (shell))
-
- ;; Viper help. Invokes Info
- (defun ex-help ()
- (condition-case nil
- (progn
- (pop-to-buffer (get-buffer-create "*info*"))
- (info (if vip-xemacs-p "viper.info" "viper"))
- (message "Type `i' to search for a specific topic"))
- (error (beep 1)
- (with-output-to-temp-buffer " *vip-info*"
- (princ (format "
- The Info file for Viper does not seem to be installed.
-
- This file is part of the standard distribution of %sEmacs.
- Please contact your system administrator. "
- (if vip-xemacs-p "X" "")
- ))))))
-
- ;; Ex source command. Loads the file specified as argument or `~/.vip'
- (defun ex-source ()
- (vip-get-ex-file)
- (if (string= ex-file "")
- (load vip-custom-file-name)
- (load ex-file)))
-
- ;; Ex substitute command
- ;; If REPEAT use previous regexp which is ex-reg-exp or vip-s-string
- (defun ex-substitute (&optional repeat r-flag)
- (let ((opt-g nil)
- (opt-c nil)
- (matched-pos nil)
- (case-fold-search vip-case-fold-search)
- delim pat repl)
- (if repeat (setq ex-token nil) (setq delim (vip-get-ex-pat)))
- (if (null ex-token)
- (progn
- (setq pat (if r-flag vip-s-string ex-reg-exp))
- (or (stringp pat)
- (error "No previous pattern to use in substitution"))
- (setq repl ex-repl
- delim (string-to-char pat)))
- (setq pat (if (string= ex-token "") vip-s-string ex-token))
- (setq vip-s-string pat
- ex-reg-exp pat)
- (setq delim (vip-get-ex-pat))
- (if (null ex-token)
- (setq ex-token ""
- ex-repl "")
- (setq repl ex-token
- ex-repl ex-token)))
- (while (vip-get-ex-opt-gc delim)
- (if (string= ex-token "g") (setq opt-g t) (setq opt-c t)))
- (vip-get-ex-count)
- (if ex-count
- (save-excursion
- (if ex-addresses (goto-char (car ex-addresses)))
- (set-mark (point))
- (forward-line (1- ex-count))
- (setq ex-addresses (cons (point) (cons (mark t) nil))))
- (if (null ex-addresses)
- (setq ex-addresses (cons (point) (cons (point) nil)))
- (if (null (cdr ex-addresses))
- (setq ex-addresses (cons (car ex-addresses) ex-addresses)))))
- ;(setq G opt-g)
- (let ((beg (car ex-addresses))
- (end (car (cdr ex-addresses)))
- eol-mark)
- (save-excursion
- (vip-enlarge-region beg end)
- (let ((limit (save-excursion
- (goto-char (max (point) (mark t)))
- (point-marker))))
- (goto-char (min (point) (mark t)))
- (while (< (point) limit)
- (end-of-line)
- (setq eol-mark (point-marker))
- (beginning-of-line)
- (if opt-g
- (progn
- (while (and (not (eolp))
- (re-search-forward pat eol-mark t))
- (if (or (not opt-c) (y-or-n-p "Replace? "))
- (progn
- (setq matched-pos (point))
- (if (not (stringp repl))
- (error "Can't perform Ex substitution: No previous replacement pattern"))
- (replace-match repl t))))
- (end-of-line)
- (vip-forward-char-carefully))
- (if (null pat)
- (error
- "Can't repeat Ex substitution: No previous regular expression"))
- (if (and (re-search-forward pat eol-mark t)
- (or (not opt-c) (y-or-n-p "Replace? ")))
- (progn
- (setq matched-pos (point))
- (if (not (stringp repl))
- (error "Can't perform Ex substitution: No previous replacement pattern"))
- (replace-match repl t)))
- (end-of-line)
- (vip-forward-char-carefully))))))
- (if matched-pos (goto-char matched-pos))
- (beginning-of-line)
- (if opt-c (message "done"))))
-
- ;; Ex tag command
- (defun ex-tag ()
- (let (tag)
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t")
- (set-mark (point))
- (skip-chars-forward "^ |\t\n")
- (setq tag (buffer-substring (mark t) (point))))
- (if (not (string= tag "")) (setq ex-tag tag))
- (vip-change-state-to-emacs)
- (condition-case conds
- (progn
- (if (string= tag "")
- (find-tag ex-tag t)
- (find-tag-other-window ex-tag))
- (vip-change-state-to-vi))
- (error
- (vip-change-state-to-vi)
- (vip-message-conditions conds)))))
-
- ;; Ex write command
- (defun ex-write (q-flag)
- (vip-default-ex-addresses t)
- (vip-get-ex-file)
- (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses)))
- temp-buf writing-same-file region
- file-exists writing-whole-file)
- (if (> beg end) (error vip-FirstAddrExceedsSecond))
- (if ex-cmdfile
- (progn
- (vip-enlarge-region beg end)
- (shell-command-on-region (point) (mark t) ex-file))
- (if (and (string= ex-file "") (not (buffer-file-name)))
- (setq ex-file
- (read-file-name
- (format "Buffer %s isn't visiting any file. File to save in: "
- (buffer-name)))))
-
- (setq writing-whole-file (and (= (point-min) beg) (= (point-max) end))
- ex-file (if (string= ex-file "")
- (buffer-file-name)
- (expand-file-name ex-file)))
- ;; if ex-file is a directory use the file portion of the buffer file name
- (if (and (file-directory-p ex-file)
- buffer-file-name
- (not (file-directory-p buffer-file-name)))
- (setq ex-file
- (concat ex-file (file-name-nondirectory buffer-file-name))))
-
- (setq file-exists (file-exists-p ex-file)
- writing-same-file (string= ex-file (buffer-file-name)))
-
- (if (and writing-whole-file writing-same-file)
- (if (not (buffer-modified-p))
- (message "(No changes need to be saved)")
- (save-buffer)
- (ex-write-info file-exists ex-file beg end))
- ;; writing some other file or portion of the currents
- ;; file---create temp buffer for it
- ;; disable undo in that buffer, for efficiency
- (buffer-disable-undo (setq temp-buf (create-file-buffer ex-file)))
- (unwind-protect
- (save-excursion
- (if (and file-exists
- (not writing-same-file)
- (not (yes-or-no-p
- (format "File %s exists. Overwrite? " ex-file))))
- (error "Quit")
- (vip-enlarge-region beg end)
- (setq region (buffer-substring (point) (mark t)))
- (set-buffer temp-buf)
- (set-visited-file-name ex-file)
- (erase-buffer)
- (if (and file-exists ex-append)
- (insert-file-contents ex-file))
- (goto-char (point-max))
- (insert region)
- (save-buffer)
- (ex-write-info file-exists ex-file (point-min) (point-max))
- )
- (set-buffer temp-buf)
- (set-buffer-modified-p nil)
- (kill-buffer temp-buf)
- ))
- )
- ;; this prevents the loss of data if writing part of the buffer
- (if (and (buffer-file-name) writing-same-file)
- (set-visited-file-modtime))
- (or writing-whole-file
- (not writing-same-file)
- (set-buffer-modified-p t))
- (if q-flag
- (if (< vip-expert-level 2)
- (save-buffers-kill-emacs)
- (kill-buffer (current-buffer))))
- )))
-
-
- (defun ex-write-info (exists file-name beg end)
- (message "`%s'%s %d lines, %d characters"
- (vip-abbreviate-file-name file-name)
- (if exists "" " [New file]")
- (count-lines beg (min (1+ end) (point-max)))
- (- end beg)))
-
- ;; Ex yank command
- (defun ex-yank ()
- (vip-default-ex-addresses)
- (vip-get-ex-buffer)
- (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
- (if (> beg end) (error vip-FirstAddrExceedsSecond))
- (save-excursion
- (vip-enlarge-region beg end)
- (exchange-point-and-mark)
- (if (or ex-g-flag ex-g-variant)
- (error "Can't execute `yank' within `global'"))
- (if ex-count
- (progn
- (set-mark (point))
- (forward-line (1- ex-count)))
- (set-mark end))
- (vip-enlarge-region (point) (mark t))
- (if ex-flag (error "`yank': %s" vip-SpuriousText))
- (if ex-buffer
- (cond ((vip-valid-register ex-buffer '(Letter))
- (vip-append-to-register
- (downcase ex-buffer) (point) (mark t)))
- ((vip-valid-register ex-buffer)
- (copy-to-register ex-buffer (point) (mark t) nil))
- (t (error vip-InvalidRegister ex-buffer))))
- (copy-region-as-kill (point) (mark t)))))
-
- ;; Execute shell command
- (defun ex-command ()
- (let (command)
- (save-window-excursion
- (set-buffer vip-ex-work-buf)
- (skip-chars-forward " \t")
- (setq command (buffer-substring (point) (point-max)))
- (end-of-line))
- (setq command (ex-expand-filsyms command (current-buffer)))
- (if (and (> (length command) 0) (string= "!" (substring command 0 1)))
- (if vip-ex-last-shell-com
- (setq command (concat vip-ex-last-shell-com (substring command 1)))
- (error "No previous shell command")))
- (setq vip-ex-last-shell-com command)
- (if (null ex-addresses)
- (shell-command command)
- (let ((end (car ex-addresses)) (beg (car (cdr ex-addresses))))
- (if (null beg) (setq beg end))
- (save-excursion
- (goto-char beg)
- (set-mark end)
- (vip-enlarge-region (point) (mark t))
- (shell-command-on-region (point) (mark t) command t))
- (goto-char beg)))))
-
- ;; Print line number
- (defun ex-line-no ()
- (message "%d"
- (1+ (count-lines
- (point-min)
- (if (null ex-addresses) (point-max) (car ex-addresses))))))
-
- ;; Give information on the file visited by the current buffer
- (defun vip-info-on-file ()
- (interactive)
- (let ((pos1 (vip-line-pos 'start))
- (pos2 (vip-line-pos 'end))
- lines file info)
- (setq lines (count-lines (point-min) (vip-line-pos 'end))
- file (if (buffer-file-name)
- (concat (vip-abbreviate-file-name (buffer-file-name)) ":")
- (concat (buffer-name) " [Not visiting any file]:"))
- info (format "line=%d/%d pos=%d/%d col=%d %s"
- (if (= pos1 pos2)
- (1+ lines)
- lines)
- (count-lines (point-min) (point-max))
- (point) (1- (point-max))
- (1+ (current-column))
- (if (buffer-modified-p) "[Modified]" "[Unchanged]")))
- (if (< (+ 1 (length info) (length file))
- (window-width (minibuffer-window)))
- (message (concat file " " info))
- (save-window-excursion
- (with-output-to-temp-buffer " *vip-info*"
- (princ (concat "\n"
- file "\n\n\t" info
- "\n\n\nPress any key to continue...\n\n")))
- (vip-read-event)
- (kill-buffer " *vip-info*")))
- ))
-
-
- (provide 'viper-ex)
-
- ;;; viper-ex.el ends here
-