;;; company.el --- Modular text completion framework -*- lexical-binding: t -*-
-;; Copyright (C) 2009-2014 Free Software Foundation, Inc.
+;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
;; Author: Nikolaj Schumacher
;; Maintainer: Dmitry Gutov <dgutov@yandex.ru>
;; URL: http://company-mode.github.io/
-;; Version: 0.8.8-cvs
+;; Version: 0.8.12
;; Keywords: abbrev, convenience, matching
;; Package-Requires: ((emacs "24.1") (cl-lib "0.5"))
(put 'company-backends 'safe-local-variable 'company-safe-backends-p)
(defcustom company-transformers nil
- "Functions to change the list of candidates received from backends,
-after sorting and removal of duplicates (if appropriate).
-Each function gets called with the return value of the previous one."
+ "Functions to change the list of candidates received from backends.
+
+Each function gets called with the return value of the previous one.
+The first one gets passed the list of candidates, already sorted and
+without duplicates."
:type '(choice
(const :tag "None" nil)
(const :tag "Sort by occurrence" (company-sort-by-occurrence))
(define-key keymap (kbd "M-p") 'company-select-previous)
(define-key keymap (kbd "<down>") 'company-select-next-or-abort)
(define-key keymap (kbd "<up>") 'company-select-previous-or-abort)
+ (define-key keymap [remap scroll-up-command] 'company-next-page)
+ (define-key keymap [remap scroll-down-command] 'company-previous-page)
(define-key keymap [down-mouse-1] 'ignore)
(define-key keymap [down-mouse-3] 'ignore)
(define-key keymap [mouse-1] 'company-complete-mouse)
(unless (keywordp b)
(company-init-backend b))))))
-(defvar company-default-lighter " company")
+(defcustom company-lighter-base "company"
+ "Base string to use for the `company-mode' lighter."
+ :type 'string
+ :package-version '(company . "0.8.10"))
+
+(defvar company-lighter '(" "
+ (company-backend
+ (:eval
+ (if (consp company-backend)
+ (company--group-lighter (nth company-selection
+ company-candidates)
+ company-lighter-base)
+ (symbol-name company-backend)))
+ company-lighter-base))
+ "Mode line lighter for Company.
+
+The value of this variable is a mode line template as in
+`mode-line-format'.")
-(defvar-local company-lighter company-default-lighter)
+(put 'company-lighter 'risky-local-variable t)
;;;###autoload
(define-minor-mode company-mode
(cons
:async
(lambda (callback)
- (let* (lst pending
+ (let* (lst
+ (pending (mapcar #'car pairs))
(finisher (lambda ()
(unless pending
(funcall callback
(funcall merger
(nreverse lst)))))))
(dolist (pair pairs)
- (let ((val (car pair))
- (mapper (cdr pair)))
+ (push nil lst)
+ (let* ((cell lst)
+ (val (car pair))
+ (mapper (cdr pair))
+ (this-finisher (lambda (res)
+ (setq pending (delq val pending))
+ (setcar cell (funcall mapper res))
+ (funcall finisher))))
(if (not (eq :async (car-safe val)))
- (push (funcall mapper val) lst)
- (push nil lst)
- (let ((cell lst)
- (fetcher (cdr val)))
- (push fetcher pending)
- (funcall fetcher
- (lambda (res)
- (setq pending (delq fetcher pending))
- (setcar cell (funcall mapper res))
- (funcall finisher)))))))))))))
+ (funcall this-finisher val)
+ (let ((fetcher (cdr val)))
+ (funcall fetcher this-finisher)))))))))))
(defun company--prefix-str (prefix)
(or (car-safe prefix) prefix))
(mod selection company-candidates-length)
(max 0 (min (1- company-candidates-length) selection))))
(when (or force-update (not (equal selection company-selection)))
- (company--update-group-lighter (nth selection company-candidates))
(setq company-selection selection
company-selection-changed t)
(company-call-frontends 'update)))
-(defun company--update-group-lighter (candidate)
- (when (listp company-backend)
- (let ((backend (or (get-text-property 0 'company-backend candidate)
- (car company-backend))))
- (when (and backend (symbolp backend))
- (let ((name (replace-regexp-in-string "company-\\|-company" ""
- (symbol-name backend))))
- (setq company-lighter (format " company-<%s>" name)))))))
-
-(defun company-apply-predicate (candidates predicate)
- (let (new)
- (dolist (c candidates)
- (when (funcall predicate c)
- (push c new)))
- (nreverse new)))
+(defun company--group-lighter (candidate base)
+ (let ((backend (or (get-text-property 0 'company-backend candidate)
+ (car company-backend))))
+ (when (and backend (symbolp backend))
+ (let ((name (replace-regexp-in-string "company-\\|-company" ""
+ (symbol-name backend))))
+ (format "%s-<%s>" base name)))))
(defun company-update-candidates (candidates)
(setq company-candidates-length (length candidates))
- (if (> company-selection 0)
+ (if company-selection-changed
;; Try to restore the selection
(let ((selected (nth company-selection company-candidates)))
(setq company-selection 0
company-candidates candidates)
(when selected
- (while (and candidates (string< (pop candidates) selected))
- (cl-incf company-selection))
- (unless candidates
- ;; Make sure selection isn't out of bounds.
- (setq company-selection (min (1- company-candidates-length)
- company-selection)))))
+ (catch 'found
+ (while candidates
+ (let ((candidate (pop candidates)))
+ (when (and (string= candidate selected)
+ (equal (company-call-backend 'annotation candidate)
+ (company-call-backend 'annotation selected)))
+ (throw 'found t)))
+ (cl-incf company-selection))
+ (setq company-selection 0
+ company-selection-changed nil))))
(setq company-selection 0
company-candidates candidates))
;; Calculate common.
(cl-return t)))))
(progn
;; No cache match, call the backend.
- (setq candidates (company--fetch-candidates prefix))
- ;; Save in cache (without the predicate applied).
+ (setq candidates (company--preprocess-candidates
+ (company--fetch-candidates prefix)))
+ ;; Save in cache.
(push (cons prefix candidates) company-candidates-cache)))
- (setq candidates (company--process-candidates candidates))
+ ;; Only now apply the predicate and transformers.
+ (setq candidates (company--postprocess-candidates candidates))
(when candidates
(if (or (cdr candidates)
(not (eq t (compare-strings (car candidates) nil nil
;; or the fetcher called us back right away.
(setq res candidates)
(setq company-backend backend
- company-candidates-cache (list (cons prefix candidates)))
+ company-candidates-cache
+ (list (cons prefix
+ (company--preprocess-candidates candidates))))
(company-idle-begin buf win tick pt)))))
;; FIXME: Relying on the fact that the callers
;; will interpret nil as "do nothing" is shaky.
(or res
(progn (setq res 'done) nil)))))
-(defun company--process-candidates (candidates)
- (when company-candidates-predicate
- (setq candidates
- (company-apply-predicate candidates
- company-candidates-predicate)))
+(defun company--preprocess-candidates (candidates)
(unless (company-call-backend 'sorted)
- (setq candidates (sort (copy-sequence candidates) 'string<)))
+ (setq candidates (sort candidates 'string<)))
(when (company-call-backend 'duplicates)
(company--strip-duplicates candidates))
+ candidates)
+
+(defun company--postprocess-candidates (candidates)
+ (when (or company-candidates-predicate company-transformers)
+ (setq candidates (copy-sequence candidates)))
+ (when company-candidates-predicate
+ (setq candidates (cl-delete-if-not company-candidates-predicate candidates)))
(company--transform-candidates candidates))
(defun company--strip-duplicates (candidates)
- (let ((c2 candidates))
+ (let ((c2 candidates)
+ (annos 'unk))
(while c2
(setcdr c2
- (let ((str (car c2))
- (anno 'unk))
- (pop c2)
+ (let ((str (pop c2)))
(while (let ((str2 (car c2)))
(if (not (equal str str2))
- nil
- (when (eq anno 'unk)
- (setq anno (company-call-backend
- 'annotation str)))
- (equal anno
- (company-call-backend
- 'annotation str2))))
+ (progn
+ (setq annos 'unk)
+ nil)
+ (when (eq annos 'unk)
+ (setq annos (list (company-call-backend
+ 'annotation str))))
+ (let ((anno2 (company-call-backend
+ 'annotation str2)))
+ (if (member anno2 annos)
+ t
+ (push anno2 annos)
+ nil))))
(pop c2))
c2)))))
(message "No completion found"))
(when company--manual-action
(setq company--manual-prefix prefix))
- (if (symbolp backend)
- (setq company-lighter (concat " " (symbol-name backend)))
- (company--update-group-lighter (car c)))
(company-update-candidates c)
(run-hook-with-args 'company-completion-started-hook
(company-explicit-action-p))
company-selection-changed nil
company--manual-action nil
company--manual-prefix nil
- company-lighter company-default-lighter
company--point-max nil
company-point nil)
(when company-timer
(defvar-local company-search-string "")
-(defvar-local company-search-lighter " Search: \"\"")
+(defvar company-search-lighter '(" "
+ (company-search-filtering "Filter" "Search")
+ ": \""
+ company-search-string
+ "\""))
(defvar-local company-search-filtering nil
"Non-nil to filter the completion candidates by the search string")
(defvar-local company--search-old-selection 0)
+(defvar-local company--search-old-changed nil)
+
(defun company--search (text lines)
(let ((quoted (regexp-quote text))
(i 0))
(company--search-update-string ss)))
(defun company--search-update-predicate (&optional ss)
- (or ss (setq ss company-search-string))
(let* ((company-candidates-predicate
- (when company-search-filtering
- (lambda (candidate) (string-match ss candidate))))
+ (and (not (string= ss ""))
+ company-search-filtering
+ (lambda (candidate) (string-match ss candidate))))
(cc (company-calculate-candidates company-prefix)))
(unless cc (error "No match"))
(company-update-candidates cc)))
(let* ((pos (company--search new (nthcdr company-selection company-candidates))))
(if (null pos)
(ding)
- (setq company-search-string new
- company-search-lighter (format " %s: \"%s\""
- (if company-search-filtering
- "Filter"
- "Search")
- new))
+ (setq company-search-string new)
(company-set-selection (+ company-selection pos) t))))
(defun company--search-assert-input ()
(company--search-assert-enabled)
- (unless (cl-plusp (length company-search-string))
+ (when (string= company-search-string "")
(error "Empty search string")))
(defun company-search-repeat-forward ()
"Abort searching the completion candidates."
(interactive)
(company--search-assert-enabled)
- (company--search-update-predicate "")
+ (company-search-mode 0)
(company-set-selection company--search-old-selection t)
- (company-search-mode 0))
+ (setq company-selection-changed company--search-old-changed))
(defun company-search-other-char ()
(interactive)
(defun company-search-delete-char ()
(interactive)
(company--search-assert-enabled)
- (when (cl-plusp (length company-search-string))
+ (if (string= company-search-string "")
+ (ding)
(let ((ss (substring company-search-string 0 -1)))
(when company-search-filtering
(company--search-update-predicate ss))
(define-key keymap (char-to-string meta-prefix-char) meta-map)
(define-key keymap [escape] meta-map))
(define-key keymap (vector meta-prefix-char t) 'company-search-other-char)
+ (define-key keymap (kbd "M-n") 'company-select-next)
+ (define-key keymap (kbd "M-p") 'company-select-previous)
+ (define-key keymap (kbd "<down>") 'company-select-next-or-abort)
+ (define-key keymap (kbd "<up>") 'company-select-previous-or-abort)
(define-key keymap "\e\e\e" 'company-search-other-char)
(define-key keymap [escape escape escape] 'company-search-other-char)
(define-key keymap (kbd "DEL") 'company-search-delete-char)
(define-key keymap "\C-s" 'company-search-repeat-forward)
(define-key keymap "\C-r" 'company-search-repeat-backward)
(define-key keymap "\C-o" 'company-search-toggle-filtering)
+ (dotimes (i 10)
+ (define-key keymap (read-kbd-macro (format "M-%d" i)) 'company-complete-number))
keymap)
"Keymap used for incrementally searching the completion candidates.")
(if company-search-mode
(if (company-manual-begin)
(progn
- (setq company--search-old-selection company-selection)
- (company-call-frontends 'update))
+ (setq company--search-old-selection company-selection
+ company--search-old-changed company-selection-changed)
+ (company-call-frontends 'update)
+ (company-enable-overriding-keymap company-search-map))
(setq company-search-mode nil))
(kill-local-variable 'company-search-string)
- (kill-local-variable 'company-search-lighter)
(kill-local-variable 'company-search-filtering)
(kill-local-variable 'company--search-old-selection)
+ (kill-local-variable 'company--search-old-changed)
+ (when company-backend
+ (company--search-update-predicate "")
+ (company-call-frontends 'update))
(company-enable-overriding-keymap company-active-map)))
(defun company--search-assert-enabled ()
The command `company-search-toggle-filtering' (\\[company-search-toggle-filtering])
uses the search string to filter the completion candidates."
(interactive)
- (company-search-mode 1)
- (company-enable-overriding-keymap company-search-map))
+ (company-search-mode 1))
(defvar company-filter-map
(let ((keymap (make-keymap)))
(company-abort)
(company--unread-last-input)))
+(defun company-next-page ()
+ "Select the candidate one page further."
+ (interactive)
+ (when (company-manual-begin)
+ (company-set-selection (+ company-selection
+ company-tooltip-limit))))
+
+(defun company-previous-page ()
+ "Select the candidate one page earlier."
+ (interactive)
+ (when (company-manual-begin)
+ (company-set-selection (- company-selection
+ company-tooltip-limit))))
+
(defvar company-pseudo-tooltip-overlay)
(defvar company-tooltip-offset)
mouse-face company-tooltip-mouse)
line))
(when selected
- (if (and (cl-plusp (length company-search-string))
+ (if (and (not (string= company-search-string ""))
(string-match (regexp-quote company-search-string) value
(length company-prefix)))
(let ((beg (+ margin (match-beginning 0)))
- (end (+ margin (match-end 0))))
- (add-text-properties beg end '(face company-tooltip-search)
- line))
+ (end (+ margin (match-end 0)))
+ (width (- width (length right))))
+ (when (< beg width)
+ (add-text-properties beg (min end width)
+ '(face company-tooltip-search)
+ line)))
(add-text-properties 0 width '(face company-tooltip-selection
mouse-face company-tooltip-selection)
line)
(defun company-buffer-lines (beg end)
(goto-char beg)
(let (lines lines-moved)
- (while (and (> (setq lines-moved (vertical-motion 1)) 0)
+ (while (and (not (eobp)) ; http://debbugs.gnu.org/19553
+ (> (setq lines-moved (vertical-motion 1)) 0)
(<= (point) end))
(let ((bound (min end (1- (point)))))
;; A visual line can contain several physical lines (e.g. with outline's
(dotimes (_ len)
(let* ((value (pop lines-copy))
(annotation (company-call-backend 'annotation value)))
- (setq value (company--clean-string value))
+ (setq value (company--clean-string (company-reformat value)))
(when annotation
(when company-tooltip-align-annotations
;; `lisp-completion-at-point' adds a space.
(dotimes (i len)
(let* ((item (pop items))
- (str (company-reformat (car item)))
+ (str (car item))
(annotation (cdr item))
(right (company-space-string company-tooltip-margin))
(width width))