-;;; company-semantic.el --- company-mode completion back-end using Semantic
+;;; company-semantic.el --- company-mode completion backend using Semantic
;; Copyright (C) 2009-2011, 2013 Free Software Foundation, Inc.
(declare-function semantic-tag-start "semantic/tag")
(declare-function semantic-tag-buffer "semantic/tag")
(declare-function semantic-active-p "semantic")
+(declare-function semantic-format-tag-prototype "semantic/format")
(defgroup company-semantic nil
- "Completion back-end using Semantic."
+ "Completion backend using Semantic."
:group 'company)
(defcustom company-semantic-metadata-function 'company-semantic-summary-and-doc
(push tag company-semantic--current-tags)))
(delete "" (mapcar 'semantic-tag-name company-semantic--current-tags)))
+(defun company-semantic-annotation (argument tags)
+ (let* ((tag (assoc argument tags))
+ (kind (when tag (elt tag 1))))
+ (cl-case kind
+ (function (let* ((prototype (semantic-format-tag-prototype tag nil nil))
+ (par-pos (string-match "(" prototype)))
+ (when par-pos (substring prototype par-pos)))))))
+
(defun company-semantic--pre-prefix-length (prefix-length)
"Sum up the length of all chained symbols before POS.
Symbols are chained by \".\" or \"->\"."
(save-excursion
(let ((pos (point)))
(goto-char (- (point) prefix-length))
- (while (looking-back "->\\|\\.")
+ (while (looking-back "->\\|\\." (- (point) 2))
(goto-char (match-beginning 0))
(skip-syntax-backward "w_"))
(- pos (point)))))
;;;###autoload
(defun company-semantic (command &optional arg &rest ignored)
- "`company-mode' completion back-end using CEDET Semantic."
+ "`company-mode' completion backend using CEDET Semantic."
(interactive (list 'interactive))
(cl-case command
(interactive (company-begin-backend 'company-semantic))
(not (company-in-string-or-comment))
(or (company-semantic--grab) 'stop)))
(candidates (if (and (equal arg "")
- (not (looking-back "->\\|\\.")))
+ (not (looking-back "->\\|\\." (- (point) 2))))
(company-semantic-completions-raw arg)
(company-semantic-completions arg)))
(meta (funcall company-semantic-metadata-function
(assoc arg company-semantic--current-tags)))
+ (annotation (company-semantic-annotation arg
+ company-semantic--current-tags))
(doc-buffer (company-semantic-doc-buffer
(assoc arg company-semantic--current-tags)))
;; Because "" is an empty context and doesn't return local variables.