New transformer: company-sort-prefer-same-case-prefix

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

diff --git a/company-capf.el b/company-capf.el
index 1a0e9ec52e5bf98833ab88412323261ac4f85ffa..866fd625d8c7b92883e06630db380f945133f473 100644 (file)
--- a/company-capf.el
+++ b/company-capf.el
@@ -1,6 +1,6 @@
-;;; company-capf.el --- company-mode completion-at-point-functions back-end -*- lexical-binding: t -*-
+;;; company-capf.el --- company-mode completion-at-point-functions backend -*- lexical-binding: t -*-
 
-;; Copyright (C) 2013-2014  Free Software Foundation, Inc.
+;; Copyright (C) 2013-2016  Free Software Foundation, Inc.
 
 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
 
@@ -48,22 +48,36 @@
               ;; the latter comes later.
               (remove 'tags-completion-at-point-function
                       (default-value 'completion-at-point-functions)))
+             (completion-at-point-functions (company--capf-workaround))
              (data (run-hook-wrapped 'completion-at-point-functions
                                      ;; Ignore misbehaving functions.
                                      #'completion--capf-wrapper 'optimist)))
-    (when (and (consp (cdr data)) (numberp (nth 1 data))) data)))
+    (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 (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-complete-at-point completion-at-point-functions)))
 
 (defun company-capf (command &optional arg &rest _args)
-  "`company-mode' back-end using `completion-at-point-functions'."
+  "`company-mode' backend using `completion-at-point-functions'."
   (interactive (list 'interactive))
   (pcase command
     (`interactive (company-begin-backend 'company-capf))
     (`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
@@ -95,16 +109,16 @@
            (cdr (assq 'display-sort-function meta))))))
     (`match
      ;; Can't just use 0 when base-size (see above) is non-zero.
-     (let ((start (if (get-text-property 0 'font-lock-face arg)
+     (let ((start (if (get-text-property 0 'face arg)
                       0
-                    (next-single-property-change 0 'font-lock-face arg))))
+                    (next-single-property-change 0 'face arg))))
        (when start
          ;; completions-common-part comes first, but we can't just look for this
          ;; value because it can be in a list.
          (or
-          (let ((value (get-text-property start 'font-lock-face arg)))
+          (let ((value (get-text-property start 'face arg)))
             (text-property-not-all start (length arg)
-                                   'font-lock-face value arg))
+                                   'face value arg))
           (length arg)))))
     (`duplicates t)
     (`no-cache t)   ;Not much can be done here, as long as we handle
@@ -145,7 +159,7 @@
            ;; Follow the example of `completion--done'.
            (funcall exit-function arg
                     (if (eq (try-completion arg table pred) t)
-                        'finished 'exact)))))
+                        'finished 'sole)))))
     ))
 
 (provide 'company-capf)