(require 'cl-lib)
(require 'newcomment)
+(require 'pcase)
;; FIXME: Use `user-error'.
(add-to-list 'debug-ignored-errors "^.* frontend cannot be used twice$")
(or (match-string-no-properties (or expression 0)) "")))
(defun company-grab-line (regexp &optional expression)
+ "Return a match string for REGEXP if it matches text before point.
+If EXPRESSION is non-nil, return the match string for the respective
+parenthesized expression in REGEXP.
+Matching is limited to the current line."
(company-grab regexp expression (point-at-bol)))
(defun company-grab-symbol ()
+ "If point is at the end of a symbol, return it.
+Otherwise, if point is not inside a symbol, return an empty string."
(if (looking-at "\\_>")
(buffer-substring (point) (save-excursion (skip-syntax-backward "w_")
(point)))
"")))
(defun company-grab-word ()
+ "If point is at the end of a word, return it.
+Otherwise, if point is not inside a symbol, return an empty string."
(if (looking-at "\\>")
(buffer-substring (point) (save-excursion (skip-syntax-backward "w")
(point)))
"")))
(defun company-grab-symbol-cons (idle-begin-after-re &optional max-len)
+ "Return a string SYMBOL or a cons (SYMBOL . t).
+SYMBOL is as returned by `company-grab-symbol'. If the text before poit
+matches IDLE-BEGIN-AFTER-RE, return it wrapped in a cons."
(let ((symbol (company-grab-symbol)))
(when symbol
(save-excursion
symbol)))))
(defun company-in-string-or-comment ()
+ "Return non-nil if point is within a string or comment."
(let ((ppss (syntax-ppss)))
(or (car (setq ppss (nthcdr 3 ppss)))
(car (setq ppss (cdr ppss)))
(unless (company-call-backend 'sorted)
(setq candidates (sort candidates 'string<)))
(when (company-call-backend 'duplicates)
- (company--strip-duplicates candidates))
+ (setq candidates (company--strip-duplicates candidates)))
candidates)
(defun company--postprocess-candidates (candidates)
(company--transform-candidates candidates))
(defun company--strip-duplicates (candidates)
- (let ((c2 candidates)
- (annos 'unk))
- (while c2
- (setcdr c2
- (let ((str (pop c2)))
- (while (let ((str2 (car c2)))
- (if (not (equal str 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)))))
+ (let* ((annos 'unk)
+ (str (car candidates))
+ (ref (cdr candidates))
+ res str2 anno2)
+ (while ref
+ (setq str2 (pop ref))
+ (if (not (equal str str2))
+ (progn
+ (push str res)
+ (setq str str2)
+ (setq annos 'unk))
+ (setq anno2 (company-call-backend
+ 'annotation str2))
+ (cond
+ ((null anno2)) ; Skip it.
+ ((when (eq annos 'unk)
+ (let ((ann1 (company-call-backend 'annotation str)))
+ (if (null ann1)
+ ;; No annotation on the earlier element, drop it.
+ t
+ (setq annos (list ann1))
+ nil)))
+ (setq annos (list anno2))
+ (setq str str2))
+ ((member anno2 annos)) ; Also skip.
+ (t
+ (push anno2 annos)
+ (push str res) ; Maintain ordering.
+ (setq str str2)))))
+ (when str (push str res))
+ (nreverse res)))
(defun company--transform-candidates (candidates)
(let ((c candidates))
;;; search ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+(defcustom company-search-regexp-function #'regexp-quote
+ "Function to construct the search regexp from input.
+It's called with one argument, the current search input. It must return
+either a regexp without groups, or one where groups don't intersect and
+each one wraps a part of the input string."
+ :type '(choice
+ (const :tag "Exact match" regexp-quote)
+ (const :tag "Words separated with spaces" company-search-words-regexp)
+ (const :tag "Words separated with spaces, in any order"
+ company-search-words-in-any-order-regexp)))
+
(defvar-local company-search-string "")
(defvar company-search-lighter '(" "
(defvar-local company--search-old-changed nil)
+(defun company-search-words-regexp (input)
+ (mapconcat (lambda (word) (format "\\(%s\\)" (regexp-quote word)))
+ (split-string input " +" t) ".*"))
+
+(defun company-search-words-in-any-order-regexp (input)
+ (let* ((words (mapcar (lambda (word) (format "\\(%s\\)" (regexp-quote word)))
+ (split-string input " +" t)))
+ (permutations (company--permutations words)))
+ (mapconcat (lambda (words)
+ (mapconcat #'identity words ".*"))
+ permutations
+ "\\|")))
+
+(defun company--permutations (lst)
+ (if (not lst)
+ '(nil)
+ (cl-mapcan
+ (lambda (e)
+ (mapcar (lambda (perm) (cons e perm))
+ (company--permutations (cl-remove e lst :count 1))))
+ lst)))
+
(defun company--search (text lines)
- (let ((quoted (regexp-quote text))
+ (let ((re (funcall company-search-regexp-function text))
(i 0))
(cl-dolist (line lines)
- (when (string-match quoted line (length company-prefix))
+ (when (string-match-p re line (length company-prefix))
(cl-return i))
(cl-incf i))))
(company--search-update-predicate ss))
(company--search-update-string ss)))
-(defun company--search-update-predicate (&optional ss)
- (let* ((company-candidates-predicate
- (and (not (string= ss ""))
+(defun company--search-update-predicate (ss)
+ (let* ((re (funcall company-search-regexp-function ss))
+ (company-candidates-predicate
+ (and (not (string= re ""))
company-search-filtering
- (lambda (candidate) (string-match ss candidate))))
+ (lambda (candidate) (string-match re candidate))))
(cc (company-calculate-candidates company-prefix)))
(unless cc (error "No match"))
(company-update-candidates cc)))
Regular characters are appended to the search string.
+Customize `company-search-regexp-function' to change how the input
+is interpreted when searching.
+
The command `company-search-toggle-filtering' (\\[company-search-toggle-filtering])
uses the search string to filter the completion candidates."
(interactive)
require-match)))
callback)))
+(declare-function find-library-name "find-func")
+(declare-function lm-version "lisp-mnt")
+
(defun company-version (&optional show-version)
"Get the Company version as string.
mouse-face company-tooltip-mouse)
line))
(when selected
- (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)))
- (width (- width (length right))))
- (when (< beg width)
- (add-text-properties beg (min end width)
- '(face company-tooltip-search)
- line)))
+ (if (let ((re (funcall company-search-regexp-function
+ company-search-string)))
+ (and (not (string= re ""))
+ (string-match re value (length company-prefix))))
+ (pcase-dolist (`(,mbeg . ,mend) (company--search-chunks))
+ (let ((beg (+ margin mbeg))
+ (end (+ margin mend))
+ (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)
'(face company-tooltip-common-selection
mouse-face company-tooltip-selection)
line)))
+ (company--apply-company-face line)
line))
+(defun company--search-chunks ()
+ (let ((md (match-data t))
+ res)
+ (if (<= (length md) 2)
+ (push (cons (nth 0 md) (nth 1 md)) res)
+ (while (setq md (nthcdr 2 md))
+ (when (car md)
+ (push (cons (car md) (cadr md)) res))))
+ res))
+
+(defun company--apply-company-face (str)
+ (let ((start (if (get-text-property 0 'company-face str)
+ 0
+ (next-single-property-change 0 'company-face str)))
+ end value)
+ (while start
+ (setq end (or (next-single-property-change start 'company-face str)
+ (length str)))
+ (setq value (get-text-property start 'company-face str))
+ (font-lock-prepend-text-property start end 'face value str)
+ (font-lock-prepend-text-property start end 'mouse-face value str)
+ (setq start (next-single-property-change end 'company-face str)))
+ (when end
+ (remove-text-properties 0 end '(company-face) str))))
+
(defun company--clean-string (str)
(replace-regexp-in-string
"\\([^[:graph:] ]\\)\\|\\(\ufeff\\)\\|[[:multibyte:]]"
'(face company-preview-common) completion)
;; Add search string
- (and company-search-string
- (string-match (regexp-quote company-search-string) completion)
- (add-text-properties (match-beginning 0)
- (match-end 0)
- '(face company-preview-search)
- completion))
+ (and (string-match (funcall company-search-regexp-function
+ company-search-string)
+ completion)
+ (pcase-dolist (`(,mbeg . ,mend) (company--search-chunks))
+ (add-text-properties mbeg
+ mend
+ '(face company-preview-search)
+ completion)))
(setq completion (company-strip-prefix completion))