summaryrefslogtreecommitdiffstats
path: root/ravi-init-insertion.el
blob: 4bb9fc50c6168990dec75ebe6af543f5f885fcef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
;;; ravi-init-insertion.el --- inserting text

;; Copyright (C) 2013

;; Author:  <ravi@nero.lan>
;; Keywords:

;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; Automatic text insertion

;;; Code:

(require 'autoinsert)
(auto-insert-mode)

(use-package yasnippet
  :init
  (progn
    (setq yas-snippet-dirs
          `(,(ravi/emacs-file "snippets")
            yas-installed-snippets-dir)
          )
    (yas-global-mode 1)
    )
  :config
  (progn
    ;; No dropdowns
    (setq yas/prompt-functions '(yas/ido-prompt yas/completing-prompt))

    ;; Wrap around region
    (setq yas/wrap-around-region t)

    ;; Automatically create throw-away snippets
    (use-package auto-yasnippet
      :bind (("C-<f4>" . aya-create)
             ("<f4>" . aya-expand))
      :ensure t)
    )
  :ensure t
  :diminish yas-minor-mode
  )

;; Default completion (some day via "M-/")
(require 'hippie-exp)
(setq hippie-expand-try-functions-list
  '(yas/hippie-try-expand
    try-expand-dabbrev
    try-expand-dabbrev-all-buffers
    try-expand-dabbrev-from-kill
    try-complete-file-name-partially
    try-complete-file-name
    try-expand-all-abbrevs
    )
  )

(use-package company
  :init
  (progn
    (add-hook 'after-init-hook 'global-company-mode))
  :config
  (progn
    (setq company-tooltip-flip-when-above t
          company-idle-delay 0.1
          company-show-numbers t
          company-tooltip-align-annotations t
          company-require-match nil
          company-minimum-prefix-length 2
          company-occurrence-weight-function 'company-occurrence-prefer-any-closest
          company-dabbrev-downcase nil)
    (defun ravi/complete-or-indent ()
      (interactive)
      (if (company-manual-begin)
          (company-complete-common)
        (indent-according-to-mode)))
    (bind-key "\t" 'ravi/complete-or-indent)

    (use-package company-c-headers
      :init
      (progn
        (add-to-list 'company-backends 'company-c-headers))
      :config
      (progn
        (defun ravi/get-default-include-paths ()
          (let* ((gcc-out (shell-command-to-string "g++ -E -x c++ - -v < /dev/null"))
                 (gcc-list-match (string-match "#include <...> search starts here:\n\\(.*\\(?:\n.*\\)*?\\)End of search list.\n" gcc-out))
                 (combined-list (match-string 1 gcc-out))
                 ;; Need the following rigamarole to handle paths with spaces in them
                 (path-list-with-spaces (and combined-list (split-string combined-list "\n" t)))
                 (path-list (and path-list-with-spaces (mapcar 's-trim-left path-list-with-spaces))))
            path-list))
        (mapc (lambda (dir) (add-to-list 'company-c-headers-path-system dir)) (ravi/get-default-include-paths))
        )
      :ensure t)

    ;; Get rid of company-semantic as it interferes with clang-based backends
    (setq company-backends (delete 'company-semantic company-backends))
    ;; Get rid of company-clang since it is too noisy at this point
    (setq company-backends (delete 'company-clang company-backends))

    (require 'company-yasnippet)
    (bind-key "<backtab>" 'company-yasnippet))

  :ensure t)

(provide 'ravi-init-insertion)
;;; ravi-init-insertion.el ends here