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+;;; evil-macros.el --- Macros -*- lexical-binding: t -*-
+
+;; Author: Vegard Øye <vegard_oye at hotmail.com>
+;; Maintainer: Vegard Øye <vegard_oye at hotmail.com>
+
+;; Version: 1.15.0
+
+;;
+;; This file is NOT part of GNU Emacs.
+
+;;; License:
+
+;; This file is part of Evil.
+;;
+;; Evil 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 3 of the License, or
+;; (at your option) any later version.
+;;
+;; Evil 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 Evil. If not, see <http://www.gnu.org/licenses/>.
+
+(require 'evil-common)
+(require 'evil-states)
+(require 'evil-repeat)
+
+;;; Code:
+
+(declare-function evil-ex-p "evil-ex")
+
+;; set some error codes
+(put 'beginning-of-line 'error-conditions '(beginning-of-line error))
+(put 'beginning-of-line 'error-message "Beginning of line")
+(put 'end-of-line 'error-conditions '(end-of-line error))
+(put 'end-of-line 'error-message "End of line")
+
+(defun evil-motion-range (motion &optional count type)
+ "Execute a motion and return the buffer positions.
+The return value is a list (BEG END TYPE)."
+ (let ((opoint (point))
+ (omark (mark t))
+ (obuffer (current-buffer))
+ (evil-motion-marker (move-marker (make-marker) (point)))
+ range)
+ (evil-with-transient-mark-mode
+ (evil-narrow-to-field
+ (unwind-protect
+ (let ((current-prefix-arg count)
+ ;; Store type in global variable `evil-this-type'.
+ ;; If necessary, motions can change their type
+ ;; during execution by setting this variable.
+ (evil-this-type
+ (or type (evil-type motion 'exclusive))))
+ (condition-case err
+ (let ((repeat-type (evil-repeat-type motion t)))
+ (if (functionp repeat-type)
+ (funcall repeat-type 'pre))
+ (unless (with-local-quit
+ (setq range (call-interactively motion))
+ t)
+ (evil-repeat-abort)
+ (setq quit-flag t))
+ (if (functionp repeat-type)
+ (funcall repeat-type 'post)))
+ (error (prog1 nil
+ (evil-repeat-abort)
+ ;; some operators depend on succeeding
+ ;; motions, in particular for
+ ;; `evil-forward-char' (e.g., used by
+ ;; `evil-substitute'), therefore we let
+ ;; end-of-line and end-of-buffer pass
+ (if (not (memq (car err) '(end-of-line end-of-buffer)))
+ (signal (car err) (cdr err))
+ (message (error-message-string err))))))
+ (cond
+ ;; the motion returned a range
+ ((evil-range-p range))
+ ;; the motion made a Visual selection
+ ((evil-visual-state-p)
+ (setq range (evil-visual-range)))
+ ;; the motion made an active region
+ ((region-active-p)
+ (setq range (evil-range (region-beginning)
+ (region-end)
+ evil-this-type)))
+ ;; default: range from previous position to current
+ (t
+ (setq range (evil-expand-range
+ (evil-normalize evil-motion-marker
+ (point)
+ evil-this-type)))))
+ (unless (or (null type) (eq (evil-type range) type))
+ (evil-set-type range type)
+ (evil-expand-range range))
+ (evil-set-range-properties range nil)
+ range)
+ ;; restore point and mark like `save-excursion',
+ ;; but only if the motion hasn't disabled the operator
+ (unless evil-inhibit-operator
+ (set-buffer obuffer)
+ (evil-move-mark omark)
+ (goto-char opoint))
+ ;; delete marker so it doesn't slow down editing
+ (move-marker evil-motion-marker nil))))))
+
+(defmacro evil-define-motion (motion args &rest body)
+ "Define a motion command MOTION.
+ARGS is a list of arguments. Motions can have any number of
+arguments, but the first (if any) has the predefined meaning of
+count. BODY must execute the motion by moving point.
+
+Optional keyword arguments are:
+- `:type' - determines how the motion works after an operator (one of
+ `inclusive', `line', `block' and `exclusive', or a self-defined
+ motion type)
+- `:jump' - if non-nil, the previous position is stored in the jump
+ list, so that it can be restored with \
+\\<evil-motion-state-map>\\[evil-jump-backward]
+
+\(fn MOTION (COUNT ARGS...) DOC [[KEY VALUE]...] BODY...)"
+ (declare (indent defun)
+ (doc-string 3)
+ (debug (&define name lambda-list
+ [&optional stringp]
+ [&rest keywordp sexp]
+ [&optional ("interactive" [&rest form])]
+ def-body)))
+ (let (arg doc interactive key keys)
+ (when args
+ (setq args `(&optional ,@(delq '&optional args))
+ ;; the count is either numerical or nil
+ interactive '("<c>")))
+ ;; collect docstring
+ (when (and (> (length body) 1)
+ (or (eq (car-safe (car-safe body)) 'format)
+ (stringp (car-safe body))))
+ (setq doc (pop body)))
+ ;; collect keywords
+ (setq keys (plist-put keys :repeat 'motion))
+ (while (keywordp (car-safe body))
+ (setq key (pop body)
+ arg (pop body)
+ keys (plist-put keys key arg)))
+ ;; collect `interactive' specification
+ (when (eq (car-safe (car-safe body)) 'interactive)
+ (setq interactive (cdr (pop body))))
+ ;; macro expansion
+ `(progn
+ ;; refresh echo area in Eldoc mode
+ (when ',motion
+ (eval-after-load 'eldoc
+ '(and (fboundp 'eldoc-add-command)
+ (eldoc-add-command ',motion))))
+ (evil-define-command ,motion (,@args)
+ ,@(when doc `(,doc)) ; avoid nil before `interactive'
+ ,@keys
+ :keep-visual t
+ (interactive ,@interactive)
+ ,@body))))
+
+(defmacro evil-narrow-to-line (&rest body)
+ "Narrow BODY to the current line.
+BODY will signal the errors 'beginning-of-line or 'end-of-line
+upon reaching the beginning or end of the current line.
+
+\(fn [[KEY VAL]...] BODY...)"
+ (declare (indent defun)
+ (debug t))
+ `(let* ((range (evil-expand (point) (point) 'line))
+ (beg (evil-range-beginning range))
+ (end (evil-range-end range))
+ (min (point-min))
+ (max (point-max)))
+ (when (save-excursion (goto-char end) (bolp))
+ (setq end (max beg (1- end))))
+ ;; don't include the newline in Normal state
+ (when (and (not evil-move-beyond-eol)
+ (not (evil-visual-state-p))
+ (not (evil-operator-state-p)))
+ (setq end (max beg (1- end))))
+ (evil-with-restriction beg end
+ (evil-signal-without-movement
+ (condition-case err
+ (progn ,@body)
+ (beginning-of-buffer
+ (if (= beg min)
+ (signal (car err) (cdr err))
+ (signal 'beginning-of-line nil)))
+ (end-of-buffer
+ (if (= end max)
+ (signal (car err) (cdr err))
+ (signal 'end-of-line nil))))))))
+
+;; we don't want line boundaries to trigger the debugger
+;; when `debug-on-error' is t
+(add-to-list 'debug-ignored-errors "^Beginning of line$")
+(add-to-list 'debug-ignored-errors "^End of line$")
+
+(defun evil-eobp (&optional pos)
+ "Whether point is at end-of-buffer with regard to end-of-line."
+ (save-excursion
+ (when pos (goto-char pos))
+ (cond
+ ((eobp))
+ ;; the rest only pertains to Normal state
+ ((not (evil-normal-state-p))
+ nil)
+ ;; at the end of the last line
+ ((eolp)
+ (forward-char)
+ (eobp))
+ ;; at the last character of the last line
+ (t
+ (forward-char)
+ (cond
+ ((eobp))
+ ((eolp)
+ (forward-char)
+ (eobp)))))))
+
+(defun evil-move-beginning (count forward &optional backward)
+ "Move to the beginning of the COUNT next object.
+If COUNT is negative, move to the COUNT previous object.
+FORWARD is a function which moves to the end of the object, and
+BACKWARD is a function which moves to the beginning.
+If one is unspecified, the other is used with a negative argument."
+ (let* ((count (or count 1))
+ (backward (or backward
+ #'(lambda (count)
+ (funcall forward (- count)))))
+ (forward (or forward
+ #'(lambda (count)
+ (funcall backward (- count)))))
+ (opoint (point)))
+ (cond
+ ((< count 0)
+ (when (bobp)
+ (signal 'beginning-of-buffer nil))
+ (unwind-protect
+ (evil-motion-loop (nil count count)
+ (funcall backward 1))
+ (unless (zerop count)
+ (goto-char (point-min)))))
+ ((> count 0)
+ (when (evil-eobp)
+ (signal 'end-of-buffer nil))
+ ;; Do we need to move past the current object?
+ (when (<= (save-excursion
+ (funcall forward 1)
+ (funcall backward 1)
+ (point))
+ opoint)
+ (setq count (1+ count)))
+ (unwind-protect
+ (evil-motion-loop (nil count count)
+ (funcall forward 1))
+ (if (zerop count)
+ ;; go back to beginning of object
+ (funcall backward 1)
+ (goto-char (point-max)))))
+ (t
+ count))))
+
+(defun evil-move-end (count forward &optional backward inclusive)
+ "Move to the end of the COUNT next object.
+If COUNT is negative, move to the COUNT previous object.
+FORWARD is a function which moves to the end of the object, and
+BACKWARD is a function which moves to the beginning.
+If one is unspecified, the other is used with a negative argument.
+If INCLUSIVE is non-nil, then point is placed at the last character
+of the object; otherwise it is placed at the end of the object."
+ (let* ((count (or count 1))
+ (backward (or backward
+ #'(lambda (count)
+ (funcall forward (- count)))))
+ (forward (or forward
+ #'(lambda (count)
+ (funcall backward (- count)))))
+ (opoint (point)))
+ (cond
+ ((< count 0)
+ (when (bobp)
+ (signal 'beginning-of-buffer nil))
+ ;; Do we need to move past the current object?
+ (when (>= (save-excursion
+ (funcall backward 1)
+ (funcall forward 1)
+ (point))
+ (if inclusive
+ (1+ opoint)
+ opoint))
+ (setq count (1- count)))
+ (unwind-protect
+ (evil-motion-loop (nil count count)
+ (funcall backward 1))
+ (if (not (zerop count))
+ (goto-char (point-min))
+ ;; go to end of object
+ (funcall forward 1)
+ (when inclusive
+ (unless (bobp) (backward-char)))
+ (when (or (evil-normal-state-p)
+ (evil-motion-state-p))
+ (evil-adjust-cursor)))))
+ ((> count 0)
+ (when (evil-eobp)
+ (signal 'end-of-buffer nil))
+ (when inclusive
+ (forward-char))
+ (unwind-protect
+ (evil-motion-loop (nil count count)
+ (funcall forward 1))
+ (if (not (zerop count))
+ (goto-char (point-max))
+ (when inclusive
+ (unless (bobp) (backward-char)))
+ (when (or (evil-normal-state-p)
+ (evil-motion-state-p))
+ (evil-adjust-cursor)))))
+ (t
+ count))))
+
+(defun evil-text-object-make-linewise (range)
+ "Turn the text object selection RANGE to linewise.
+The selection is adjusted in a sensible way so that the selected
+lines match the user intent. In particular, whitespace-only parts
+at the first and last lines are omitted. This function returns
+the new range."
+ ;; Bug #607
+ ;; If new type is linewise and the selection of the
+ ;; first line consists of whitespace only, the
+ ;; beginning is moved to the start of the next line. If
+ ;; the selections of the last line consists of
+ ;; whitespace only, the end is moved to the end of the
+ ;; previous line.
+ (if (eq (evil-type range) 'line)
+ range
+ (let ((expanded (plist-get (evil-range-properties range) :expanded))
+ (newrange (evil-expand-range range t)))
+ (save-excursion
+ ;; skip whitespace at the beginning
+ (goto-char (evil-range-beginning newrange))
+ (skip-chars-forward " \t")
+ (when (and (not (bolp)) (eolp))
+ (evil-set-range-beginning newrange (1+ (point))))
+ ;; skip whitepsace at the end
+ (goto-char (evil-range-end newrange))
+ (skip-chars-backward " \t")
+ (when (and (not (eolp)) (bolp))
+ (evil-set-range-end newrange (1- (point))))
+ ;; only modify range if result is not empty
+ (if (> (evil-range-beginning newrange)
+ (evil-range-end newrange))
+ range
+ (unless expanded
+ (evil-contract-range newrange))
+ newrange)))))
+
+(defmacro evil-define-text-object (object args &rest body)
+ "Define a text object command OBJECT.
+BODY should return a range (BEG END) to the right of point
+if COUNT is positive, and to the left of it if negative.
+
+Optional keyword arguments:
+- `:type' - determines how the range applies after an operator
+ (`inclusive', `line', `block', and `exclusive', or a self-defined
+ motion type).
+- `:extend-selection' - if non-nil (default), the text object always
+ enlarges the current selection. Otherwise, it replaces the current
+ selection.
+
+\(fn OBJECT (COUNT) DOC [[KEY VALUE]...] BODY...)"
+ (declare (indent defun)
+ (doc-string 3)
+ (debug (&define name lambda-list
+ [&optional stringp]
+ [&rest keywordp sexp]
+ def-body)))
+ (let* ((args (delq '&optional args))
+ (count (or (pop args) 'count))
+ (args (when args `(&optional ,@args)))
+ (interactive '((interactive "<c><v>")))
+ arg doc key keys)
+ ;; collect docstring
+ (when (stringp (car-safe body))
+ (setq doc (pop body)))
+ ;; collect keywords
+ (setq keys (plist-put keys :extend-selection t))
+ (while (keywordp (car-safe body))
+ (setq key (pop body)
+ arg (pop body)
+ keys (plist-put keys key arg)))
+ ;; interactive
+ (when (eq (car-safe (car-safe body)) 'interactive)
+ (setq interactive (list (pop body))))
+ ;; macro expansion
+ `(evil-define-motion ,object (,count ,@args)
+ ,@(when doc `(,doc))
+ ,@keys
+ ,@interactive
+ (setq ,count (or ,count 1))
+ (when (/= ,count 0)
+ (let ((type (evil-type ',object evil-visual-char))
+ (extend (and (evil-visual-state-p)
+ (evil-get-command-property
+ ',object :extend-selection
+ ',(plist-get keys :extend-selection))))
+ (dir evil-visual-direction)
+ mark point range selection)
+ (cond
+ ;; Visual state: extend the current selection
+ ((and (evil-visual-state-p)
+ (called-interactively-p 'any))
+ ;; if we are at the beginning of the Visual selection,
+ ;; go to the left (negative COUNT); if at the end,
+ ;; go to the right (positive COUNT)
+ (setq dir evil-visual-direction
+ ,count (* ,count dir))
+ (setq range (progn ,@body))
+ (when (evil-range-p range)
+ (setq range (evil-expand-range range))
+ (evil-set-type range (evil-type range type))
+ (setq range (evil-contract-range range))
+ ;; the beginning is mark and the end is point
+ ;; unless the selection goes the other way
+ (setq mark (evil-range-beginning range)
+ point (evil-range-end range)
+ type (evil-type
+ (if evil-text-object-change-visual-type
+ range
+ (evil-visual-range))))
+ (when (and (eq type 'line)
+ (not (eq type (evil-type range))))
+ (let ((newrange (evil-text-object-make-linewise range)))
+ (setq mark (evil-range-beginning newrange)
+ point (evil-range-end newrange))))
+ (when (< dir 0)
+ (evil-swap mark point))
+ ;; select the union
+ (evil-visual-make-selection mark point type)))
+ ;; not Visual state: return a pair of buffer positions
+ (t
+ (setq range (progn ,@body))
+ (unless (evil-range-p range)
+ (setq ,count (- ,count)
+ range (progn ,@body)))
+ (when (evil-range-p range)
+ (setq selection (evil-range (point) (point) type))
+ (if extend
+ (setq range (evil-range-union range selection))
+ (evil-set-type range (evil-type range type)))
+ ;; possibly convert to linewise
+ (when (eq evil-this-type-modified 'line)
+ (setq range (evil-text-object-make-linewise range)))
+ (evil-set-range-properties range nil)
+ range))))))))
+
+(defmacro evil-define-operator (operator args &rest body)
+ "Define an operator command OPERATOR.
+The operator acts on the range of characters BEG through
+END. BODY must execute the operator by potentially manipulating
+the buffer contents, or otherwise causing side effects to happen.
+
+Optional keyword arguments are:
+- `:type' - force the input range to be of a given type (`inclusive',
+ `line', `block', and `exclusive', or a self-defined motion type).
+- `:motion' - use a predetermined motion instead of waiting for one
+ from the keyboard. This does not affect the behavior in visual
+ state, where selection boundaries are always used.
+- `:repeat' - if non-nil (default), then \
+ \\<evil-normal-state-map>\\[evil-repeat] will repeat the
+ operator.
+- `:move-point' - if non-nil (default), the cursor will be moved to
+ the beginning of the range before the body executes
+- `:keep-visual' - if non-nil, the selection is not disabled when the
+ operator is executed in visual state. By default, visual state is
+ exited automatically.
+- `:restore-point' - if non-nil, point is restored when the
+ operator is executed from ex.
+
+\(fn OPERATOR (BEG END ARGS...) DOC [[KEY VALUE]...] BODY...)"
+ (declare (indent defun)
+ (doc-string 3)
+ (debug (&define name lambda-list
+ [&optional stringp]
+ [&rest keywordp sexp]
+ [&optional ("interactive" [&rest form])]
+ def-body)))
+ (let* ((args (delq '&optional args))
+ (interactive (if (> (length args) 2) '("<R>") '("<r>")))
+ (args (if (> (length args) 2)
+ `(,(nth 0 args) ,(nth 1 args)
+ &optional ,@(nthcdr 2 args))
+ args))
+ arg doc key keys visual)
+ ;; collect docstring
+ (when (and (> (length body) 1)
+ (or (eq (car-safe (car-safe body)) 'format)
+ (stringp (car-safe body))))
+ (setq doc (pop body)))
+ ;; collect keywords
+ (setq keys (plist-put keys :move-point t))
+ (while (keywordp (car-safe body))
+ (setq key (pop body)
+ arg (pop body))
+ (cond
+ ((eq key :keep-visual)
+ (setq visual arg))
+ (t
+ (setq keys (plist-put keys key arg)))))
+ ;; collect `interactive' specification
+ (when (eq (car-safe (car-safe body)) 'interactive)
+ (setq interactive (cdr-safe (pop body))))
+ ;; transform extended interactive specs
+ (setq interactive (apply #'evil-interactive-form interactive))
+ (setq keys (evil-concat-plists keys (cdr-safe interactive))
+ interactive (car-safe interactive))
+ ;; macro expansion
+ `(evil-define-command ,operator ,args
+ ,@(when doc `(,doc))
+ ,@keys
+ :keep-visual t
+ :suppress-operator t
+ (interactive
+ (let* ((evil-operator-range-motion
+ (when (evil-has-command-property-p ',operator :motion)
+ ;; :motion nil is equivalent to :motion undefined
+ (or (evil-get-command-property ',operator :motion)
+ #'undefined)))
+ (evil-operator-range-type
+ (evil-get-command-property ',operator :type))
+ (orig (point))
+ evil-operator-range-beginning
+ evil-operator-range-end
+ evil-inhibit-operator)
+ (setq evil-inhibit-operator-value nil
+ evil-this-operator this-command)
+ (setq evil-operator-start-col (current-column))
+ (prog1 ,interactive
+ (setq orig (point)
+ evil-inhibit-operator-value evil-inhibit-operator)
+ (if ,visual
+ (when (evil-visual-state-p)
+ (evil-visual-expand-region))
+ (when (or (evil-visual-state-p) (region-active-p))
+ (setq deactivate-mark t)))
+ (cond
+ ((evil-visual-state-p)
+ (evil-visual-rotate 'upper-left))
+ ((evil-get-command-property ',operator :move-point)
+ (goto-char (or evil-operator-range-beginning orig)))
+ (t
+ (goto-char orig))))))
+ (unwind-protect
+ (let ((evil-inhibit-operator evil-inhibit-operator-value))
+ (unless (and evil-inhibit-operator
+ (called-interactively-p 'any))
+ ,@body))
+ (setq evil-inhibit-operator-value nil)))))
+
+;; this is used in the `interactive' specification of an operator command
+(defun evil-operator-range (&optional return-type)
+ "Read a motion from the keyboard and return its buffer positions.
+The return value is a list (BEG END), or (BEG END TYPE) if
+RETURN-TYPE is non-nil."
+ (let* ((evil-ex-p (and (not (minibufferp)) (evil-ex-p)))
+ (motion (or evil-operator-range-motion
+ (when evil-ex-p 'evil-line)))
+ (type evil-operator-range-type)
+ (range (evil-range (point) (point)))
+ command count)
+ (setq evil-this-type-modified nil)
+ (evil-save-echo-area
+ (cond
+ ;; Ex mode
+ ((and evil-ex-p evil-ex-range)
+ (setq range evil-ex-range))
+ ;; Visual selection
+ ((and (not evil-ex-p) (evil-visual-state-p))
+ (setq range (evil-visual-range)))
+ ;; active region
+ ((and (not evil-ex-p) (region-active-p))
+ (setq range (evil-range (region-beginning)
+ (region-end)
+ (or evil-this-type 'exclusive))))
+ (t
+ ;; motion
+ (evil-save-state
+ (unless motion
+ (evil-change-state 'operator)
+ ;; Make linewise operator shortcuts. E.g., "d" yields the
+ ;; shortcut "dd", and "g?" yields shortcuts "g??" and "g?g?".
+ (let ((keys (nth 2 (evil-extract-count (this-command-keys)))))
+ (setq keys (listify-key-sequence keys))
+ (dotimes (var (length keys))
+ (define-key evil-operator-shortcut-map
+ (vconcat (nthcdr var keys)) 'evil-line-or-visual-line)))
+ ;; read motion from keyboard
+ (setq command (evil-read-motion motion)
+ motion (nth 0 command)
+ count (nth 1 command)
+ type (or type (nth 2 command))))
+ (cond
+ ((eq motion #'undefined)
+ (setq range (if return-type '(nil nil nil) '(nil nil))
+ motion nil))
+ ((or (null motion) ; keyboard-quit
+ (evil-get-command-property motion :suppress-operator))
+ (when (fboundp 'evil-repeat-abort)
+ (evil-repeat-abort))
+ (setq quit-flag t
+ motion nil))
+ (evil-repeat-count
+ (setq count evil-repeat-count
+ ;; only the first operator's count is overwritten
+ evil-repeat-count nil))
+ ((or count current-prefix-arg)
+ ;; multiply operator count and motion count together
+ (setq count
+ (* (prefix-numeric-value count)
+ (prefix-numeric-value current-prefix-arg)))))
+ (when motion
+ (let ((evil-state 'operator)
+ mark-active)
+ ;; calculate motion range
+ (setq range (evil-motion-range
+ motion
+ count
+ type))))
+ ;; update global variables
+ (setq evil-this-motion motion
+ evil-this-motion-count count
+ type (evil-type range type)
+ evil-this-type type))))
+ (when (evil-range-p range)
+ (unless (or (null type) (eq (evil-type range) type))
+ (evil-contract-range range)
+ (evil-set-type range type)
+ (evil-expand-range range))
+ (evil-set-range-properties range nil)
+ (unless return-type
+ (evil-set-type range nil))
+ (setq evil-operator-range-beginning (evil-range-beginning range)
+ evil-operator-range-end (evil-range-end range)
+ evil-operator-range-type (evil-type range)))
+ range)))
+
+(defmacro evil-define-type (type doc &rest body)
+ "Define type TYPE.
+DOC is a general description and shows up in all docstrings.
+
+Optional keyword arguments:
+- `:expand' - expansion function. This function should accept two
+ positions in the current buffer, BEG and END,and return a pair of
+ expanded buffer positions.
+- `:contract' - the opposite of `:expand'. Optional.
+- `:one-to-one' - non-nil if expansion is one-to-one. This means that
+ `:expand' followed by `:contract' always return the original range.
+- `:normalize' - normalization function. This function should accept
+ two unexpanded positions and adjust them before expansion. May be
+ used to deal with buffer boundaries.
+- `:string' - description function. Takes two buffer positions and
+ returns a human-readable string. For example \"2 lines\"
+
+If further keywords and functions are specified, they are assumed to
+be transformations on buffer positions, like `:expand' and `:contract'.
+
+\(fn TYPE DOC [[KEY FUNC]...])"
+ (declare (indent defun)
+ (doc-string 2)
+ (debug (&define name
+ [&optional stringp]
+ [&rest [keywordp function-form]])))
+ (let (args defun-forms func key name plist string sym val)
+ ;; standard values
+ (setq plist (plist-put plist :one-to-one t))
+ ;; keywords
+ (while (keywordp (car-safe body))
+ (setq key (pop body)
+ val (pop body))
+ (if (plist-member plist key) ; not a function
+ (setq plist (plist-put plist key val))
+ (setq func val
+ sym (intern (replace-regexp-in-string
+ "^:" "" (symbol-name key)))
+ name (intern (format "evil-%s-%s" type sym))
+ args (car (cdr-safe func))
+ string (car (cdr (cdr-safe func)))
+ string (if (stringp string)
+ (format "%s\n\n" string) "")
+ plist (plist-put plist key `',name))
+ (push
+ (cond
+ ((eq key :string)
+ `(defun ,name (beg end &rest properties)
+ ,(format "Return size of %s from BEG to END \
+with PROPERTIES.\n\n%s%s" type string doc)
+ (let ((beg (evil-normalize-position beg))
+ (end (evil-normalize-position end))
+ (type ',type)
+ plist range)
+ (when (and beg end)
+ (save-excursion
+ (evil-sort beg end)
+ (unless (plist-get properties :expanded)
+ (setq range (apply #'evil-expand
+ beg end type properties)
+ beg (evil-range-beginning range)
+ end (evil-range-end range)
+ type (evil-type range type)
+ plist (evil-range-properties range))
+ (setq properties
+ (evil-concat-plists properties plist)))
+ (or (apply #',func beg end
+ (when ,(> (length args) 2)
+ properties))
+ ""))))))
+ (t
+ `(defun ,name (beg end &rest properties)
+ ,(format "Perform %s transformation on %s from BEG to END \
+with PROPERTIES.\n\n%s%s" sym type string doc)
+ (let ((beg (evil-normalize-position beg))
+ (end (evil-normalize-position end))
+ (type ',type)
+ plist range)
+ (when (and beg end)
+ (save-excursion
+ (evil-sort beg end)
+ (when (memq ,key '(:expand :contract))
+ (setq properties
+ (plist-put properties
+ :expanded
+ ,(eq key :expand))))
+ (setq range (or (apply #',func beg end
+ (when ,(> (length args) 2)
+ properties))
+ (apply #'evil-range
+ beg end type properties))
+ beg (evil-range-beginning range)
+ end (evil-range-end range)
+ type (evil-type range type)
+ plist (evil-range-properties range))
+ (setq properties
+ (evil-concat-plists properties plist))
+ (apply #'evil-range beg end type properties)))))))
+ defun-forms)))
+ ;; :one-to-one requires both or neither of :expand and :contract
+ (when (plist-get plist :expand)
+ (setq plist (plist-put plist :one-to-one
+ (and (plist-get plist :contract)
+ (plist-get plist :one-to-one)))))
+ `(progn
+ (evil-put-property 'evil-type-properties ',type ,@plist)
+ ,@defun-forms
+ ',type)))
+
+(defmacro evil-define-interactive-code (code &rest body)
+ "Define an interactive code.
+PROMPT, if given, is the remainder of the interactive string
+up to the next newline. Command properties may be specified
+via KEY-VALUE pairs. BODY should evaluate to a list of values.
+
+\(fn CODE (PROMPT) [[KEY VALUE]...] BODY...)"
+ (declare (indent defun))
+ (let* ((args (when (and (> (length body) 1)
+ (listp (car-safe body)))
+ (pop body)))
+ (doc (when (stringp (car-safe body)) (pop body)))
+ func properties)
+ (while (keywordp (car-safe body))
+ (setq properties
+ (append properties (list (pop body) (pop body)))))
+ (cond
+ (args
+ (setq func `(lambda ,args
+ ,@(when doc `(,doc))
+ ,@body)))
+ ((> (length body) 1)
+ (setq func `(progn ,@body)))
+ (t
+ (setq func (car body))))
+ `(eval-and-compile
+ (let* ((code ,code)
+ (entry (assoc code evil-interactive-alist))
+ (value (cons ',func ',properties)))
+ (if entry
+ (setcdr entry value)
+ (push (cons code value) evil-interactive-alist))
+ code))))
+
+;;; Highlighting
+
+(when (fboundp 'font-lock-add-keywords)
+ (font-lock-add-keywords
+ 'emacs-lisp-mode
+ ;; Match all `evil-define-' forms except `evil-define-key'.
+ ;; (In the interests of speed, this expression is incomplete
+ ;; and does not match all three-letter words.)
+ '(("(\\(evil-\\(?:ex-\\)?define-\
+\\(?:[^ k][^ e][^ y]\\|[-[:word:]]\\{4,\\}\\)\\)\
+\\>[ \f\t\n\r\v]*\\(\\(?:\\sw\\|\\s_\\)+\\)?"
+ (1 font-lock-keyword-face)
+ (2 font-lock-function-name-face nil t))
+ ("(\\(evil-\\(?:delay\\|narrow\\|signal\\|save\\|with\\(?:out\\)?\\)\
+\\(?:-[-[:word:]]+\\)?\\)\\>\[ \f\t\n\r\v]+"
+ 1 font-lock-keyword-face)
+ ("(\\(evil-\\(?:[-[:word:]]\\)*loop\\)\\>[ \f\t\n\r\v]+"
+ 1 font-lock-keyword-face))))
+
+(provide 'evil-macros)
+
+;;; evil-macros.el ends here