Add 'packages/names/' from commit 'b7bb062fc3c5de0c5bdb6dcf60da260d2a169783'

[gnu-emacs-elpa] / packages / company / company-etags.el

diff --git a/packages/company/company-etags.el b/packages/company/company-etags.el
index 6153b3ba29a4257538e1360f6c5d678b501e5a66..c7ba60870c48761034c1b40ff6f76f257cff9461 100644 (file)
--- a/packages/company/company-etags.el
+++ b/packages/company/company-etags.el
@@ -1,6 +1,6 @@
-;;; company-etags.el --- A company-mode completion back-end for etags
+;;; company-etags.el --- company-mode completion back-end for etags
 
-;; Copyright (C) 2009-2011  Free Software Foundation, Inc.
+;; Copyright (C) 2009-2011, 2014  Free Software Foundation, Inc.
 
 ;; Author: Nikolaj Schumacher
 
@@ -21,32 +21,39 @@
 
 
 ;;; Commentary:
-;; 
+;;
 
 ;;; Code:
 
 (require 'company)
-(eval-when-compile (require 'etags))
-(eval-when-compile (require 'cl))
+(require 'cl-lib)
+(require 'etags)
+
+(defgroup company-etags nil
+  "Completion back-end for etags."
+  :group 'company)
 
 (defcustom company-etags-use-main-table-list t
-  "*Always search `tags-table-list' if set.
+  "Always search `tags-table-list' if set.
 If this is disabled, `company-etags' will try to find the one table for each
 buffer automatically."
-  :group 'company-mode
   :type '(choice (const :tag "off" nil)
                  (const :tag "on" t)))
 
-(defvar company-etags-modes '(c-mode objc-mode c++-mode java-mode jde-mode
-                              pascal-mode perl-mode python-mode))
+(defcustom company-etags-ignore-case nil
+  "Non-nil to ignore case in completion candidates."
+  :type 'boolean
+  :package-version '(company . "0.7.3"))
+
+(defvar company-etags-modes '(prog-mode c-mode objc-mode c++-mode java-mode
+                              jde-mode pascal-mode perl-mode python-mode))
 
-(defvar company-etags-buffer-table 'unknown)
-(make-variable-buffer-local 'company-etags-buffer-table)
+(defvar-local company-etags-buffer-table 'unknown)
 
 (defun company-etags-find-table ()
-  (let ((file (company-locate-dominating-file (or buffer-file-name
-                                                  default-directory)
-                                              "TAGS")))
+  (let ((file (locate-dominating-file (or buffer-file-name
+                                          default-directory)
+                                      "TAGS")))
     (when file
       (list (expand-file-name file)))))
 
@@ -56,29 +63,32 @@ buffer automatically."
           (setq company-etags-buffer-table (company-etags-find-table))
         company-etags-buffer-table)))
 
+(defun company-etags--candidates (prefix)
+  (let ((tags-table-list (company-etags-buffer-table))
+        (completion-ignore-case company-etags-ignore-case))
+    (and (or tags-file-name tags-table-list)
+         (fboundp 'tags-completion-table)
+         (save-excursion
+           (visit-tags-table-buffer)
+           (all-completions prefix (tags-completion-table))))))
+
 ;;;###autoload
 (defun company-etags (command &optional arg &rest ignored)
-  "A `company-mode' completion back-end for etags."
+  "`company-mode' completion back-end for etags."
   (interactive (list 'interactive))
-  (case command
+  (cl-case command
     (interactive (company-begin-backend 'company-etags))
-    (prefix (and (memq major-mode company-etags-modes)
+    (prefix (and (apply 'derived-mode-p company-etags-modes)
                  (not (company-in-string-or-comment))
-                 (require 'etags nil t)
                  (company-etags-buffer-table)
                  (or (company-grab-symbol) 'stop)))
-    (candidates (let ((tags-table-list (company-etags-buffer-table))
-                      (completion-ignore-case nil))
-                  (and (or tags-file-name tags-table-list)
-                       (fboundp 'tags-completion-table)
-                       tags-table-list
-                       (all-completions arg (tags-completion-table)))))
+    (candidates (company-etags--candidates arg))
     (location (let ((tags-table-list (company-etags-buffer-table)))
                 (when (fboundp 'find-tag-noselect)
                   (save-excursion
                     (let ((buffer (find-tag-noselect arg)))
                       (cons buffer (with-current-buffer buffer (point))))))))
-    (sorted t)))
+    (ignore-case company-etags-ignore-case)))
 
 (provide 'company-etags)
 ;;; company-etags.el ends here