1 ;; geiser-company.el -- integration with company-mode
3 ;; Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2016 Jose Antonio Ortega Ruiz
5 ;; This program is free software; you can redistribute it and/or
6 ;; modify it under the terms of the Modified BSD License. You should
7 ;; have received a copy of the license along with this program. If
8 ;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
10 ;; Start date: Mon Aug 24, 2009 12:44
14 (require 'geiser-autodoc
)
15 (require 'geiser-completion
)
16 (require 'geiser-edit
)
17 (require 'geiser-base
)
20 (eval-when-compile (require 'cl
))
25 (make-variable-buffer-local
26 (defvar geiser-company--enabled-flag nil
))
28 (make-variable-buffer-local
29 (defvar geiser-company--autodoc-flag nil
))
31 (make-variable-buffer-local
32 (defvar geiser-company--completions nil
))
34 (defun geiser-company--candidates (prefix)
35 (and (equal prefix
(car geiser-company--completions
))
36 (cdr geiser-company--completions
)))
38 (defun geiser-company--doc (id)
40 (when (not (geiser-autodoc--inhibit))
41 (let ((help (geiser-autodoc--autodoc `((,id
0)))))
42 (and help
(substring-no-properties help
))))))
44 (defun geiser-company--doc-buffer (id)
45 (let* ((impl geiser-impl--implementation
)
46 (module (geiser-doc-module (geiser-eval--get-module) impl
))
47 (symbol (make-symbol id
))
48 (ds (geiser-doc--get-docstring symbol module
)))
49 (if (or (not ds
) (not (listp ds
)))
50 (message "No documentation available for '%s'" symbol
)
51 (with-current-buffer (get-buffer-create "*company-documentation*")
52 (geiser-doc--render-docstring ds symbol module impl
)
55 (defun geiser-company--location (id)
57 (when (not (geiser-autodoc--inhibit))
58 (let ((id (make-symbol id
)))
60 (geiser-edit-module id
'noselect
)
61 (error (geiser-edit-symbol id
'noselect
)))))))
63 (defun geiser-company--prefix-at-point ()
65 (when (and (not (geiser-autodoc--inhibit)) geiser-company--enabled-flag
)
66 (if (nth 8 (syntax-ppss)) 'stop
67 (let* ((prefix (and (looking-at-p "\\_>")
68 (geiser-completion--prefix nil
)))
70 (geiser-completion--complete prefix nil
)))
72 (geiser-completion--complete prefix t
)))
73 (mprefix (and (not cmps1
) (not cmps2
)
74 (geiser-completion--prefix t
)))
75 (cmps3 (and mprefix
(geiser-completion--complete mprefix t
)))
76 (cmps (or cmps3
(append cmps1 cmps2
)))
77 (prefix (or mprefix prefix
)))
78 (setq geiser-company--completions
(cons prefix cmps
))
84 (defun geiser-company--setup (enable)
85 (setq geiser-company--enabled-flag enable
)
86 (when (fboundp 'geiser-company--setup-company
)
87 (geiser-company--setup-company enable
)))
89 (defun geiser-company--inhibit-autodoc (ignored)
90 (when (setq geiser-company--autodoc-flag geiser-autodoc-mode
)
91 (geiser-autodoc-mode -
1)))
93 (defun geiser-company--restore-autodoc (&optional ignored
)
94 (when geiser-company--autodoc-flag
95 (geiser-autodoc-mode 1)))
98 ;;; Company activation
100 (declare-function company-begin-backend
"ext:company")
101 (declare-function company-cancel
"ext:company")
102 (declare-function company-mode
"ext:company")
103 (defvar company-backends
)
104 (defvar company-active-map
)
105 (eval-after-load "company"
107 (defun geiser-company-backend (command &optional arg
&rest ignored
)
108 "A `company-mode' completion back-end for `geiser-mode'."
109 (interactive (list 'interactive
))
111 ('interactive
(company-begin-backend 'geiser-company-backend
))
112 ('prefix
(geiser-company--prefix-at-point))
113 ('candidates
(geiser-company--candidates arg
))
114 ('meta
(geiser-company--doc arg
))
115 ('doc-buffer
(geiser-company--doc-buffer arg
))
116 ('location
(geiser-company--location arg
))
118 (defun geiser-company--setup-company (enable)
120 (set (make-local-variable 'company-backends
)
121 (add-to-list 'company-backends
'geiser-company-backend
)))
122 (company-mode (if enable
1 -
1)))
123 (add-hook 'company-completion-finished-hook
124 'geiser-company--restore-autodoc
)
125 (add-hook 'company-completion-cancelled-hook
126 'geiser-company--restore-autodoc
)
127 (add-hook 'company-completion-started-hook
128 'geiser-company--inhibit-autodoc
)
129 (define-key company-active-map
(kbd "M-`")
133 (call-interactively 'geiser-completion--complete-module
)))))
137 (provide 'geiser-company
)