company-dabbrev--search-buffer: Speed up

[gnu-emacs-elpa] / company-capf.el

diff --git a/company-capf.el b/company-capf.el
index 3094ea35011055420deaa75e9a0b6e94f8d684ba..9eeb2482a0a4d075c2175cecab7656e72b25e1d0 100644 (file)
--- a/company-capf.el
+++ b/company-capf.el
@@ -1,6 +1,6 @@
 ;;; company-capf.el --- company-mode completion-at-point-functions backend -*- lexical-binding: t -*-
 
-;; Copyright (C) 2013-2015  Free Software Foundation, Inc.
+;; Copyright (C) 2013-2016  Free Software Foundation, Inc.
 
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 
@@ -54,12 +54,15 @@
                                      #'completion--capf-wrapper 'optimist)))
     (when (and (consp (cdr data)) (integer-or-marker-p (nth 1 data))) data)))
 
+(declare-function python-shell-get-process "python")
+
 (defun company--capf-workaround ()
   ;; For http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18067
-  (if (or (not (memq 'python-completion-at-point completion-at-point-functions))
+  (if (or (not (listp completion-at-point-functions))
+          (not (memq 'python-completion-complete-at-point completion-at-point-functions))
           (python-shell-get-process))
       completion-at-point-functions
-    (remq 'python-completion-at-point completion-at-point-functions)))
+    (remq 'python-completion-complete-at-point completion-at-point-functions)))
 
 (defun company-capf (command &optional arg &rest _args)
   "`company-mode' backend using `completion-at-point-functions'."
@@ -69,9 +72,12 @@
     (`prefix
      (let ((res (company--capf-data)))
        (when res
-         (if (> (nth 2 res) (point))
-             'stop
-           (buffer-substring-no-properties (nth 1 res) (point))))))
+         (let ((length (plist-get (nthcdr 4 res) :company-prefix-length))
+               (prefix (buffer-substring-no-properties (nth 1 res) (point))))
+           (cond
+            ((> (nth 2 res) (point)) 'stop)
+            (length (cons prefix length))
+            (t prefix))))))
     (`candidates
      (let ((res (company--capf-data)))
        (when res