diff options
Diffstat (limited to 'lisp/emulation/viper-macs.el')
| -rw-r--r-- | lisp/emulation/viper-macs.el | 943 |
1 files changed, 0 insertions, 943 deletions
diff --git a/lisp/emulation/viper-macs.el b/lisp/emulation/viper-macs.el deleted file mode 100644 index 6b0b2fb99ea..00000000000 --- a/lisp/emulation/viper-macs.el +++ /dev/null @@ -1,943 +0,0 @@ -;;; viper-macs.el --- functions implementing keyboard macros 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) -(require 'viper-keym) - - -;;; Variables - -;; Register holding last macro. -(defvar vip-last-macro-reg nil) - -;; format of the elements of kbd alists: -;; (name ((buf . macr)...(buf . macr)) ((maj-mode . macr)...) (t . macr)) -;; kbd macro alist for Vi state -(defvar vip-vi-kbd-macro-alist nil) -;; same for insert/replace state -(defvar vip-insert-kbd-macro-alist nil) -;; same for emacs state -(defvar vip-emacs-kbd-macro-alist nil) - -;; Internal var that passes info between start-kbd-macro and end-kbd-macro -;; in :map and :map! -(defvar vip-kbd-macro-parameters nil) - -(defvar vip-this-kbd-macro nil - "Vector of keys representing the name of currently running Viper kbd macro.") -(defvar vip-last-kbd-macro nil - "Vector of keys representing the name of last Viper keyboard macro.") - -(defconst vip-fast-keyseq-timeout 200 - "*Key sequence separated by no more than this many milliseconds is viewed as a macro, if such a macro is defined. -This also controls ESC-keysequences generated by keyboard function keys.") - - -(defvar vip-repeat-from-history-key 'f12 - "Prefix key for invocation of vip-repeat-from-history function, -which repeats previous destructive commands from the history of such -commands. -This function can then be invoked as <this-key> 1 or <this-key> 2. -The notation for these keys is borrowed from XEmacs. Basically, -a key is a symbol, e.g., `a', `\\1', `f2', etc., or a list, e.g., -`(meta control f1)'.") - - - -;;; Code - -;; Ex map command -(defun ex-map () - (let ((mod-char "") - macro-name macro-body map-args ins) - (save-window-excursion - (set-buffer vip-ex-work-buf) - (if (looking-at "!") - (progn - (setq ins t - mod-char "!") - (forward-char 1)))) - (setq map-args (ex-map-read-args mod-char) - macro-name (car map-args) - macro-body (cdr map-args)) - (setq vip-kbd-macro-parameters (list ins mod-char macro-name macro-body)) - (if macro-body - (vip-end-mapping-kbd-macro 'ignore) - (ex-fixup-history (format "map%s %S" mod-char - (vip-display-macro macro-name))) - ;; if defining macro for insert, switch there for authentic WYSIWYG - (if ins (vip-change-state-to-insert)) - (start-kbd-macro nil) - (define-key vip-vi-intercept-map "\C-x)" 'vip-end-mapping-kbd-macro) - (define-key vip-insert-intercept-map "\C-x)" 'vip-end-mapping-kbd-macro) - (define-key vip-emacs-intercept-map "\C-x)" 'vip-end-mapping-kbd-macro) - (message "Mapping %S in %s state. Hit `C-x )' to complete the mapping" - (vip-display-macro macro-name) - (if ins "Insert" "Vi"))) - )) - - -;; Ex unmap -(defun ex-unmap () - (let ((mod-char "") - temp macro-name ins) - (save-window-excursion - (set-buffer vip-ex-work-buf) - (if (looking-at "!") - (progn - (setq ins t - mod-char "!") - (forward-char 1)))) - - (setq macro-name (ex-unmap-read-args mod-char)) - (setq temp (vip-fixup-macro (vconcat macro-name))) ;; copy and fixup - (ex-fixup-history (format "unmap%s %S" mod-char - (vip-display-macro temp))) - (vip-unrecord-kbd-macro macro-name (if ins 'insert-state 'vi-state)) - )) - - -;; read arguments for ex-map -(defun ex-map-read-args (variant) - (let ((cursor-in-echo-area t) - (key-seq []) - temp key event message - macro-name macro-body args) - - (condition-case nil - (setq args (concat (ex-get-inline-cmd-args ".*map[!]*[ \t]?" "\n\C-m") - " nil nil ") - temp (read-from-string args) - macro-name (car temp) - macro-body (car (read-from-string args (cdr temp)))) - (error - (signal - 'error - '("map: Macro name and body must be a quoted string or a vector")))) - - ;; We expect macro-name to be a vector, a string, or a quoted string. - ;; In the second case, it will emerge as a symbol when read from - ;; the above read-from-string. So we need to convert it into a string - (if macro-name - (cond ((vectorp macro-name) nil) - ((stringp macro-name) - (setq macro-name (vconcat macro-name))) - (t (setq macro-name (vconcat (prin1-to-string macro-name))))) - (message ":map%s <Name>" variant)(sit-for 2) - (while - (not (member key - '(?\C-m ?\n (control m) (control j) return linefeed))) - (setq key-seq (vconcat key-seq (if key (vector key) []))) - ;; the only keys available for editing are these-- no help while there - (if (member - key - '(?\b ?\d '^? '^H (control h) (control \?) backspace delete)) - (setq key-seq (subseq key-seq 0 (- (length key-seq) 2)))) - (setq message - (format - ":map%s %s" - variant (if (> (length key-seq) 0) - (prin1-to-string (vip-display-macro key-seq)) - ""))) - (message message) - (setq event (vip-read-key)) - ;;(setq event (vip-read-event)) - (setq key - (if (vip-mouse-event-p event) - (progn - (message "%s (No mouse---only keyboard keys, please)" - message) - (sit-for 2) - nil) - (vip-event-key event))) - ) - (setq macro-name key-seq)) - - (if (= (length macro-name) 0) - (error "Can't map an empty macro name")) - (setq macro-name (vip-fixup-macro macro-name)) - (if (vip-char-array-p macro-name) - (setq macro-name (vip-char-array-to-macro macro-name))) - - (if macro-body - (cond ((vip-char-array-p macro-body) - (setq macro-body (vip-char-array-to-macro macro-body))) - ((vectorp macro-body) nil) - (t (error "map: Invalid syntax in macro definition")))) - (setq cursor-in-echo-area nil)(sit-for 0) ; this overcomes xemacs tty bug - (cons macro-name macro-body))) - - - -;; read arguments for ex-unmap -(defun ex-unmap-read-args (variant) - (let ((cursor-in-echo-area t) - (macro-alist (if (string= variant "!") - vip-insert-kbd-macro-alist - vip-vi-kbd-macro-alist)) - ;; these are disabled just in case, to avoid surprises when doing - ;; completing-read - vip-vi-kbd-minor-mode vip-insert-kbd-minor-mode - vip-emacs-kbd-minor-mode - vip-vi-intercept-minor-mode vip-insert-intercept-minor-mode - vip-emacs-intercept-minor-mode - event message - key key-seq macro-name) - (setq macro-name (ex-get-inline-cmd-args ".*unma?p?[!]*[ \t]*")) - - (if (> (length macro-name) 0) - () - (message ":unmap%s <Name>" variant) (sit-for 2) - (while - (not - (member key '(?\C-m ?\n (control m) (control j) return linefeed))) - (setq key-seq (vconcat key-seq (if key (vector key) []))) - ;; the only keys available for editing are these-- no help while there - (cond ((member - key - '(?\b ?\d '^? '^H (control h) (control \?) backspace delete)) - (setq key-seq (subseq key-seq 0 (- (length key-seq) 2)))) - ((member key '(tab (control i) ?\t)) - (setq key-seq (subseq key-seq 0 (1- (length key-seq)))) - (setq message - (format - ":unmap%s %s" - variant (if (> (length key-seq) 0) - (prin1-to-string - (vip-display-macro key-seq)) - ""))) - (setq key-seq - (vip-do-sequence-completion key-seq macro-alist message)) - )) - (setq message - (format - ":unmap%s %s" - variant (if (> (length key-seq) 0) - (prin1-to-string - (vip-display-macro key-seq)) - ""))) - (message message) - (setq event (vip-read-key)) - ;;(setq event (vip-read-event)) - (setq key - (if (vip-mouse-event-p event) - (progn - (message "%s (No mouse---only keyboard keys, please)" - message) - (sit-for 2) - nil) - (vip-event-key event))) - ) - (setq macro-name key-seq)) - - (if (= (length macro-name) 0) - (error "Can't unmap an empty macro name")) - - ;; convert macro names into vector, if starts with a `[' - (if (memq (elt macro-name 0) '(?\[ ?\")) - (car (read-from-string macro-name)) - (vconcat macro-name)) - )) - - -;; Terminate a Vi kbd macro. -;; optional argument IGNORE, if t, indicates that we are dealing with an -;; existing macro that needs to be registered, but there is no need to -;; terminate a kbd macro. -(defun vip-end-mapping-kbd-macro (&optional ignore) - (interactive) - (define-key vip-vi-intercept-map "\C-x)" nil) - (define-key vip-insert-intercept-map "\C-x)" nil) - (define-key vip-emacs-intercept-map "\C-x)" nil) - (if (and (not ignore) - (or (not vip-kbd-macro-parameters) - (not defining-kbd-macro))) - (error "Not mapping a kbd-macro")) - (let ((mod-char (nth 1 vip-kbd-macro-parameters)) - (ins (nth 0 vip-kbd-macro-parameters)) - (macro-name (nth 2 vip-kbd-macro-parameters)) - (macro-body (nth 3 vip-kbd-macro-parameters))) - (setq vip-kbd-macro-parameters nil) - (or ignore - (progn - (end-kbd-macro nil) - (setq macro-body (vip-events-to-macro last-kbd-macro)) - ;; always go back to Vi, since this is where we started - ;; defining macro - (vip-change-state-to-vi))) - - (vip-record-kbd-macro macro-name - (if ins 'insert-state 'vi-state) - (vip-display-macro macro-body)) - - (ex-fixup-history (format "map%s %S %S" mod-char - (vip-display-macro macro-name) - (vip-display-macro macro-body))) - )) - - - -(defadvice start-kbd-macro (after vip-kbd-advice activate) - "Remove Viper's intercepting bindings for C-x ). -This may be needed if the previous `:map' command terminated abnormally." - (define-key vip-vi-intercept-map "\C-x)" nil) - (define-key vip-insert-intercept-map "\C-x)" nil) - (define-key vip-emacs-intercept-map "\C-x)" nil)) - - - -;;; Recording, unrecording, executing - -;; accepts as macro names: strings and vectors. -;; strings must be strings of characters; vectors must be vectors of keys -;; in canonic form. the canonic form is essentially the form used in XEmacs -(defun vip-record-kbd-macro (macro-name state macro-body &optional scope) - "Record a Vi macro. Can be used in `.vip' file to define permanent macros. -MACRO-NAME is a string of characters or a vector of keys. STATE is -either `vi-state' or `insert-state'. It specifies the Viper state in which to -define the macro. MACRO-BODY is a string that represents the keyboard macro. -Optional SCOPE says whether the macro should be global \(t\), mode-specific -\(a major-mode symbol\), or buffer-specific \(buffer name, a string\). -If SCOPE is nil, the user is asked to specify the scope." - (let* (state-name keymap - (macro-alist-var - (cond ((eq state 'vi-state) - (setq state-name "Vi state" - keymap vip-vi-kbd-map) - 'vip-vi-kbd-macro-alist) - ((memq state '(insert-state replace-state)) - (setq state-name "Insert state" - keymap vip-insert-kbd-map) - 'vip-insert-kbd-macro-alist) - (t - (setq state-name "Emacs state" - keymap vip-emacs-kbd-map) - 'vip-emacs-kbd-macro-alist) - )) - new-elt old-elt old-sub-elt msg - temp lis lis2) - - (if (= (length macro-name) 0) - (error "Can't map an empty macro name")) - - ;; Macro-name is usually a vector. However, command history or macros - ;; recorded in ~/.vip may be recorded as strings. So, convert to vectors. - (setq macro-name (vip-fixup-macro macro-name)) - (if (vip-char-array-p macro-name) - (setq macro-name (vip-char-array-to-macro macro-name))) - (setq macro-body (vip-fixup-macro macro-body)) - (if (vip-char-array-p macro-body) - (setq macro-body (vip-char-array-to-macro macro-body))) - - ;; don't ask if scope is given and is of the right type - (or (eq scope t) - (stringp scope) - (and scope (symbolp scope)) - (progn - (setq scope - (cond - ((y-or-n-p - (format - "Map this macro for buffer `%s' only? " - (buffer-name))) - (setq msg - (format - "%S is mapped to %s for %s in `%s'" - (vip-display-macro macro-name) - (vip-abbreviate-string - (format - "%S" - (setq temp (vip-display-macro macro-body))) - 14 "" "" - (if (stringp temp) " ....\"" " ....]")) - state-name (buffer-name))) - (buffer-name)) - ((y-or-n-p - (format - "Map this macro for the major mode `%S' only? " - major-mode)) - (setq msg - (format - "%S is mapped to %s for %s in `%S'" - (vip-display-macro macro-name) - (vip-abbreviate-string - (format - "%S" - (setq temp (vip-display-macro macro-body))) - 14 "" "" - (if (stringp macro-body) " ....\"" " ....]")) - state-name major-mode)) - major-mode) - (t - (setq msg - (format - "%S is globally mapped to %s in %s" - (vip-display-macro macro-name) - (vip-abbreviate-string - (format - "%S" - (setq temp (vip-display-macro macro-body))) - 14 "" "" - (if (stringp macro-body) " ....\"" " ....]")) - state-name)) - t))) - (if (y-or-n-p - (format "Save this macro in %s? " - (vip-abbreviate-file-name vip-custom-file-name))) - (vip-save-string-in-file - (format "\n(vip-record-kbd-macro %S '%S %s '%S)" - (vip-display-macro macro-name) - state - ;; if we don't let vector macro-body through %S, - ;; the symbols `\.' `\[' etc will be converted into - ;; characters, causing invalid read error on recorded - ;; macros in .vip. - ;; I am not sure is macro-body can still be a string at - ;; this point, but I am preserving this option anyway. - (if (vectorp macro-body) - (format "%S" macro-body) - macro-body) - scope) - vip-custom-file-name)) - - (message msg) - )) - - (setq new-elt - (cons macro-name - (cond ((eq scope t) (list nil nil (cons t nil))) - ((symbolp scope) - (list nil (list (cons scope nil)) (cons t nil))) - ((stringp scope) - (list (list (cons scope nil)) nil (cons t nil)))))) - (setq old-elt (assoc macro-name (eval macro-alist-var))) - - (if (null old-elt) - (progn - ;; insert new-elt in macro-alist-var and keep the list sorted - (define-key - keymap - (vector (vip-key-to-emacs-key (aref macro-name 0))) - 'vip-exec-mapped-kbd-macro) - (setq lis (eval macro-alist-var)) - (while (and lis (string< (vip-array-to-string (car (car lis))) - (vip-array-to-string macro-name))) - (setq lis2 (cons (car lis) lis2)) - (setq lis (cdr lis))) - - (setq lis2 (reverse lis2)) - (set macro-alist-var (append lis2 (cons new-elt lis))) - (setq old-elt new-elt))) - (setq old-sub-elt - (cond ((eq scope t) (vip-kbd-global-pair old-elt)) - ((symbolp scope) (assoc scope (vip-kbd-mode-alist old-elt))) - ((stringp scope) (assoc scope (vip-kbd-buf-alist old-elt))))) - (if old-sub-elt - (setcdr old-sub-elt macro-body) - (cond ((symbolp scope) (setcar (cdr (cdr old-elt)) - (cons (cons scope macro-body) - (vip-kbd-mode-alist old-elt)))) - ((stringp scope) (setcar (cdr old-elt) - (cons (cons scope macro-body) - (vip-kbd-buf-alist old-elt)))))) - )) - - - -;; macro name must be a vector of vip-style keys -(defun vip-unrecord-kbd-macro (macro-name state) - "Delete macro MACRO-NAME from Viper STATE. -MACRO-NAME must be a vector of vip-style keys. This command is used by Viper -internally, but the user can also use it in ~/.vip to delete pre-defined macros -supplied with Viper. The best way to avoid mistakes in macro names to be passed -to this function is to use vip-describe-kbd-macros and copy the name from -there." - (let* (state-name keymap - (macro-alist-var - (cond ((eq state 'vi-state) - (setq state-name "Vi state" - keymap vip-vi-kbd-map) - 'vip-vi-kbd-macro-alist) - ((memq state '(insert-state replace-state)) - (setq state-name "Insert state" - keymap vip-insert-kbd-map) - 'vip-insert-kbd-macro-alist) - (t - (setq state-name "Emacs state" - keymap vip-emacs-kbd-map) - 'vip-emacs-kbd-macro-alist) - )) - buf-mapping mode-mapping global-mapping - macro-pair macro-entry) - - ;; Macro-name is usually a vector. However, command history or macros - ;; recorded in ~/.vip may appear as strings. So, convert to vectors. - (setq macro-name (vip-fixup-macro macro-name)) - (if (vip-char-array-p macro-name) - (setq macro-name (vip-char-array-to-macro macro-name))) - - (setq macro-entry (assoc macro-name (eval macro-alist-var))) - (if (= (length macro-name) 0) - (error "Can't unmap an empty macro name")) - (if (null macro-entry) - (error "%S is not mapped to a macro for %s in `%s'" - (vip-display-macro macro-name) - state-name (buffer-name))) - - (setq buf-mapping (vip-kbd-buf-pair macro-entry) - mode-mapping (vip-kbd-mode-pair macro-entry) - global-mapping (vip-kbd-global-pair macro-entry)) - - (cond ((and (cdr buf-mapping) - (or (and (not (cdr mode-mapping)) (not (cdr global-mapping))) - (y-or-n-p - (format "Unmap %S for `%s' only? " - (vip-display-macro macro-name) - (buffer-name))))) - (setq macro-pair buf-mapping) - (message "%S is unmapped for %s in `%s'" - (vip-display-macro macro-name) - state-name (buffer-name))) - ((and (cdr mode-mapping) - (or (not (cdr global-mapping)) - (y-or-n-p - (format "Unmap %S for the major mode `%S' only? " - (vip-display-macro macro-name) - major-mode)))) - (setq macro-pair mode-mapping) - (message "%S is unmapped for %s in %S" - (vip-display-macro macro-name) state-name major-mode)) - ((cdr (setq macro-pair (vip-kbd-global-pair macro-entry))) - (message - "Global mapping of %S for %s is removed" - (vip-display-macro macro-name) state-name)) - (t (error "%S is not mapped to a macro for %s in `%s'" - (vip-display-macro macro-name) - state-name (buffer-name)))) - (setcdr macro-pair nil) - (or (cdr buf-mapping) - (cdr mode-mapping) - (cdr global-mapping) - (progn - (set macro-alist-var (delq macro-entry (eval macro-alist-var))) - (if (vip-can-release-key (aref macro-name 0) - (eval macro-alist-var)) - (define-key - keymap - (vector (vip-key-to-emacs-key (aref macro-name 0))) - nil)) - )) - )) - -;; Check if MACRO-ALIST has an entry for a macro name starting with -;; CHAR. If not, this indicates that the binding for this char -;; in vip-vi/insert-kbd-map can be released. -(defun vip-can-release-key (char macro-alist) - (let ((lis macro-alist) - (can-release t) - macro-name) - - (while (and lis can-release) - (setq macro-name (car (car lis))) - (if (eq char (aref macro-name 0)) - (setq can-release nil)) - (setq lis (cdr lis))) - can-release)) - - -(defun vip-exec-mapped-kbd-macro (count) - "Dispatch kbd macro." - (interactive "P") - (let* ((macro-alist (cond ((eq vip-current-state 'vi-state) - vip-vi-kbd-macro-alist) - ((memq vip-current-state - '(insert-state replace-state)) - vip-insert-kbd-macro-alist) - (t - vip-emacs-kbd-macro-alist))) - (unmatched-suffix "") - ;; Macros and keys are executed with other macros turned off - ;; For macros, this is done to avoid macro recursion - vip-vi-kbd-minor-mode vip-insert-kbd-minor-mode - vip-emacs-kbd-minor-mode - next-best-match keyseq event-seq - macro-first-char macro-alist-elt macro-body - command) - - (setq macro-first-char last-command-event - event-seq (vip-read-fast-keysequence macro-first-char macro-alist) - keyseq (vip-events-to-macro event-seq) - macro-alist-elt (assoc keyseq macro-alist) - next-best-match (vip-find-best-matching-macro macro-alist keyseq)) - - (if (null macro-alist-elt) - (setq macro-alist-elt (car next-best-match) - unmatched-suffix (subseq event-seq (cdr next-best-match)))) - - (cond ((null macro-alist-elt)) - ((setq macro-body (vip-kbd-buf-definition macro-alist-elt))) - ((setq macro-body (vip-kbd-mode-definition macro-alist-elt))) - ((setq macro-body (vip-kbd-global-definition macro-alist-elt)))) - - ;; when defining keyboard macro, don't use the macro mappings - (if (and macro-body (not defining-kbd-macro)) - ;; block cmd executed as part of a macro from entering command history - (let ((command-history command-history)) - (setq vip-this-kbd-macro (car macro-alist-elt)) - (execute-kbd-macro (vip-macro-to-events macro-body) count) - (setq vip-this-kbd-macro nil - vip-last-kbd-macro (car macro-alist-elt)) - (vip-set-unread-command-events unmatched-suffix)) - ;; If not a macro, or the macro is suppressed while defining another - ;; macro, put keyseq back on the event queue - (vip-set-unread-command-events event-seq) - ;; if the user typed arg, then use it if prefix arg is not set by - ;; some other command (setting prefix arg can happen if we do, say, - ;; 2dw and there is a macro starting with 2. Then control will go to - ;; this routine - (or prefix-arg (setq prefix-arg count)) - (setq command (key-binding (read-key-sequence nil))) - (if (commandp command) - (command-execute command) - (beep 1))) - )) - - - -;;; Displaying and completing macros - -(defun vip-describe-kbd-macros () - "Show currently defined keyboard macros." - (interactive) - (with-output-to-temp-buffer " *vip-info*" - (princ "Macros in Vi state:\n===================\n") - (mapcar 'vip-describe-one-macro vip-vi-kbd-macro-alist) - (princ "\n\nMacros in Insert and Replace states:\n====================================\n") - (mapcar 'vip-describe-one-macro vip-insert-kbd-macro-alist) - (princ "\n\nMacros in Emacs state:\n======================\n") - (mapcar 'vip-describe-one-macro vip-emacs-kbd-macro-alist) - )) - -(defun vip-describe-one-macro (macro) - (princ (format "\n *** Mappings for %S:\n ------------\n" - (vip-display-macro (car macro)))) - (princ " ** Buffer-specific:") - (if (vip-kbd-buf-alist macro) - (mapcar 'vip-describe-one-macro-elt (vip-kbd-buf-alist macro)) - (princ " none\n")) - (princ "\n ** Mode-specific:") - (if (vip-kbd-mode-alist macro) - (mapcar 'vip-describe-one-macro-elt (vip-kbd-mode-alist macro)) - (princ " none\n")) - (princ "\n ** Global:") - (if (vip-kbd-global-definition macro) - (princ (format "\n %S" (cdr (vip-kbd-global-pair macro)))) - (princ " none")) - (princ "\n")) - -(defun vip-describe-one-macro-elt (elt) - (let ((name (car elt)) - (defn (cdr elt))) - (princ (format "\n * %S:\n %S\n" name defn)))) - - - -;; check if SEQ is a prefix of some car of an element in ALIST -(defun vip-keyseq-is-a-possible-macro (seq alist) - (let ((converted-seq (vip-events-to-macro seq))) - (eval (cons 'or - (mapcar - (function (lambda (elt) - (vip-prefix-subseq-p converted-seq elt))) - (vip-this-buffer-macros alist)))))) - -;; whether SEQ1 is a prefix of SEQ2 -(defun vip-prefix-subseq-p (seq1 seq2) - (let ((len1 (length seq1)) - (len2 (length seq2))) - (if (<= len1 len2) - (equal seq1 (subseq seq2 0 len1))))) - -;; find the longest common prefix -(defun vip-common-seq-prefix (&rest seqs) - (let* ((first (car seqs)) - (rest (cdr seqs)) - (pref []) - (idx 0) - len) - (if (= (length seqs) 0) - (setq len 0) - (setq len (apply 'min (mapcar 'length seqs)))) - (while (< idx len) - (if (eval (cons 'and - (mapcar (function (lambda (s) - (equal (elt first idx) - (elt s idx)))) - rest))) - (setq pref (vconcat pref (vector (elt first idx))))) - (setq idx (1+ idx))) - pref)) - -;; get all sequences that match PREFIX from a given A-LIST -(defun vip-extract-matching-alist-members (pref alist) - (delq nil (mapcar (function (lambda (elt) - (if (vip-prefix-subseq-p pref elt) - elt))) - (vip-this-buffer-macros alist)))) - -(defun vip-do-sequence-completion (seq alist compl-message) - (let* ((matches (vip-extract-matching-alist-members seq alist)) - (new-seq (apply 'vip-common-seq-prefix matches)) - ) - (cond ((and (equal seq new-seq) (= (length matches) 1)) - (message "%s (Sole completion)" compl-message) - (sit-for 2)) - ((null matches) - (message "%s (No match)" compl-message) - (sit-for 2) - (setq new-seq seq)) - ((member seq matches) - (message "%s (Complete, but not unique)" compl-message) - (sit-for 2) - (vip-display-vector-completions matches)) - ((equal seq new-seq) - (vip-display-vector-completions matches))) - new-seq)) - - -(defun vip-display-vector-completions (list) - (with-output-to-temp-buffer "*Completions*" - (display-completion-list - (mapcar 'prin1-to-string - (mapcar 'vip-display-macro list))))) - - - -;; alist is the alist of macros -;; str is the fast key sequence entered -;; returns: (matching-macro-def . unmatched-suffix-start-index) -(defun vip-find-best-matching-macro (alist str) - (let ((lis alist) - (def-len 0) - (str-len (length str)) - match unmatched-start-idx found macro-def) - (while (and (not found) lis) - (setq macro-def (car lis) - def-len (length (car macro-def))) - (if (and (>= str-len def-len) - (equal (car macro-def) (subseq str 0 def-len))) - (if (or (vip-kbd-buf-definition macro-def) - (vip-kbd-mode-definition macro-def) - (vip-kbd-global-definition macro-def)) - (setq found t)) - ) - (setq lis (cdr lis))) - - (if found - (setq match macro-def - unmatched-start-idx def-len) - (setq match nil - unmatched-start-idx 0)) - - (cons match unmatched-start-idx))) - - - -;; returns a list of names of macros defined for the current buffer -(defun vip-this-buffer-macros (macro-alist) - (let (candidates) - (setq candidates - (mapcar (function - (lambda (elt) - (if (or (vip-kbd-buf-definition elt) - (vip-kbd-mode-definition elt) - (vip-kbd-global-definition elt)) - (car elt)))) - macro-alist)) - (setq candidates (delq nil candidates)))) - - -;; if seq of Viper key symbols (representing a macro) can be converted to a -;; string--do so. Otherwise, do nothing. -(defun vip-display-macro (macro-name-or-body) - (cond ((vip-char-symbol-sequence-p macro-name-or-body) - (mapconcat 'symbol-name macro-name-or-body "")) - ((vip-char-array-p macro-name-or-body) - (mapconcat 'char-to-string macro-name-or-body "")) - (t macro-name-or-body))) - -;; convert sequence of events (that came presumably from emacs kbd macro) into -;; Viper's macro, which is a vector of the form -;; [ desc desc ... ] -;; Each desc is either a symbol of (meta symb), (shift symb), etc. -;; Here we purge events that happen to be lists. In most cases, these events -;; got into a macro definition unintentionally; say, when the user moves mouse -;; during a macro definition, then something like (switch-frame ...) might get -;; in. Another reason for purging lists-events is that we can't store them in -;; textual form (say, in .emacs) and then read them back. -(defun vip-events-to-macro (event-seq) - (vconcat (delq nil (mapcar (function (lambda (elt) - (if (consp elt) - nil - (vip-event-key elt)))) - event-seq)))) - -;; convert strings or arrays of characters to Viper macro form -(defun vip-char-array-to-macro (array) - (let ((vec (vconcat array)) - macro) - (if vip-xemacs-p - (setq macro (mapcar 'character-to-event vec)) - (setq macro vec)) - (vconcat (mapcar 'vip-event-key macro)))) - -;; For macros bodies and names, goes over MACRO and checks if all members are -;; names of keys (actually, it only checks if they are symbols or lists -;; if a digit is found, it is converted into a symbol (e.g., 0 -> \0, etc). -;; If MACRO is not a list or vector -- doesn't change MACRO. -(defun vip-fixup-macro (macro) - (let ((len (length macro)) - (idx 0) - elt break) - (if (or (vectorp macro) (listp macro)) - (while (and (< idx len) (not break)) - (setq elt (elt macro idx)) - (cond ((numberp elt) - ;; fix number - (if (and (<= 0 elt) (<= elt 9)) - (cond ((arrayp macro) - (aset macro - idx - (intern (char-to-string (+ ?0 elt))))) - ((listp macro) - (setcar (nthcdr idx macro) - (intern (char-to-string (+ ?0 elt))))) - ))) - ((listp elt) - (vip-fixup-macro elt)) - ((symbolp elt) nil) - (t (setq break t))) - (setq idx (1+ idx)))) - - (if break - (error "Wrong type macro component, symbol-or-listp, %S" elt) - macro))) - -(defun vip-char-array-p (array) - (eval (cons 'and (mapcar 'vip-characterp array)))) - -(defun vip-macro-to-events (macro-body) - (vconcat (mapcar 'vip-key-to-emacs-key macro-body))) - - -;; check if vec is a vector of character symbols -(defun vip-char-symbol-sequence-p (vec) - (and - (sequencep vec) - (eval - (cons 'and - (mapcar - (function (lambda (elt) - (and (symbolp elt) (= (length (symbol-name elt)) 1)))) - vec))))) - - -;; Check if vec is a vector of key-press events representing characters -;; XEmacs only -(defun vip-event-vector-p (vec) - (and (vectorp vec) - (eval (cons 'and (mapcar '(lambda (elt) (if (eventp elt) t)) vec))))) - - -;;; Reading fast key sequences - -;; Assuming that CHAR was the first character in a fast succession of key -;; strokes, read the rest. Return the vector of keys that was entered in -;; this fast succession of key strokes. -;; A fast keysequence is one that is terminated by a pause longer than -;; vip-fast-keyseq-timeout. -(defun vip-read-fast-keysequence (event macro-alist) - (let ((lis (vector event)) - next-event) - (while (and (vip-fast-keysequence-p) - (vip-keyseq-is-a-possible-macro lis macro-alist)) - (setq next-event (vip-read-key)) - ;;(setq next-event (vip-read-event)) - (or (vip-mouse-event-p next-event) - (setq lis (vconcat lis (vector next-event))))) - lis)) - - -;;; Keyboard macros in registers - -;; sets register to last-kbd-macro carefully. -(defun vip-set-register-macro (reg) - (if (get-register reg) - (if (y-or-n-p "Register contains data. Overwrite? ") - () - (error - "Macro not saved in register. Can still be invoked via `C-x e'"))) - (set-register reg last-kbd-macro)) - -(defun vip-register-macro (count) - "Keyboard macros in registers - a modified \@ command." - (interactive "P") - (let ((reg (downcase (read-char)))) - (cond ((or (and (<= ?a reg) (<= reg ?z))) - (setq vip-last-macro-reg reg) - (if defining-kbd-macro - (progn - (end-kbd-macro) - (vip-set-register-macro reg)) - (execute-kbd-macro (get-register reg) count))) - ((or (= ?@ reg) (= ?\^j reg) (= ?\^m reg)) - (if vip-last-macro-reg - nil - (error "No previous kbd macro")) - (execute-kbd-macro (get-register vip-last-macro-reg) count)) - ((= ?\# reg) - (start-kbd-macro count)) - ((= ?! reg) - (setq reg (downcase (read-char))) - (if (or (and (<= ?a reg) (<= reg ?z))) - (progn - (setq vip-last-macro-reg reg) - (vip-set-register-macro reg)))) - (t - (error "`%c': Unknown register" reg))))) - - -(defun vip-global-execute () - "Call last keyboad macro for each line in the region." - (if (> (point) (mark t)) (exchange-point-and-mark)) - (beginning-of-line) - (call-last-kbd-macro) - (while (< (point) (mark t)) - (forward-line 1) - (beginning-of-line) - (call-last-kbd-macro))) - - -(provide 'viper-macs) - -;;; viper-macs.el ends here |