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
121
|
;;; flycheck-irony.el --- Flycheck: C/C++ support via Irony -*- lexical-binding: t; -*-
;; Copyright (C) 2014-2015 Guillaume Papin
;; Author: Guillaume Papin <guillaume.papin@epitech.eu>
;; Keywords: convenience, tools, c
;; Package-Version: 20180604.2152
;; Package-Commit: 42dbecd4a865cabeb301193bb4d660e26ae3befe
;; Version: 0.1.0
;; URL: https://github.com/Sarcasm/flycheck-irony/
;; Package-Requires: ((emacs "24.1") (flycheck "0.22") (irony "0.2.0"))
;; 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:
;; C, C++ and Objective-C support for Flycheck, using Irony Mode.
;;
;; Usage:
;;
;; (eval-after-load 'flycheck
;; '(add-hook 'flycheck-mode-hook #'flycheck-irony-setup))
;;; Code:
(require 'irony-diagnostics)
(require 'flycheck)
(eval-when-compile
(require 'pcase))
(defgroup flycheck-irony nil
"Irony-Mode's flycheck checker."
:group 'irony)
(defcustom flycheck-irony-error-filter #'identity
"A function to filter the errors returned by this checker.
See :error-filter description in `flycheck-define-generic-checker'.
For an example, take a look at `flycheck-dequalify-error-ids'."
:type 'function
:group 'flycheck-irony)
(defun flycheck-irony--build-error (checker buffer diagnostic)
(let ((severity (irony-diagnostics-severity diagnostic)))
(if (memq severity '(note warning error fatal))
(flycheck-error-new-at
(irony-diagnostics-line diagnostic)
(irony-diagnostics-column diagnostic)
(pcase severity
(`note 'info)
(`warning 'warning)
((or `error `fatal) 'error))
(irony-diagnostics-message diagnostic)
:checker checker
:buffer buffer
:filename (irony-diagnostics-file diagnostic)))))
(defun flycheck-irony--start (checker callback)
(let ((buffer (current-buffer)))
(irony-diagnostics-async
#'(lambda (status &rest args) ;; closure, lexically bound
(pcase status
(`error (funcall callback 'errored (car args)))
(`cancelled (funcall callback 'finished nil))
(`success
(let* ((diagnostics (car args))
(errors (mapcar #'(lambda (diagnostic)
(flycheck-irony--build-error checker buffer diagnostic))
diagnostics)))
(funcall callback 'finished (delq nil errors)))))))))
(defun flycheck-irony--verify (_checker)
"Verify the Flycheck Irony syntax checker."
(list
(flycheck-verification-result-new
:label "Irony Mode"
:message (if irony-mode "enabled" "disabled")
:face (if irony-mode 'success '(bold warning)))
;; FIXME: the logic of `irony--locate-server-executable' could be extracted
;; into something very useful for this verification
(let* ((server-path (executable-find (expand-file-name "bin/irony-server"
irony-server-install-prefix))))
(flycheck-verification-result-new
:label "irony-server"
:message (if server-path (format "Found at %s" server-path) "Not found")
:face (if server-path 'success '(bold error))))))
(flycheck-define-generic-checker 'irony
"A syntax checker for C, C++ and Objective-C, using Irony Mode."
:start #'flycheck-irony--start
:verify #'flycheck-irony--verify
:modes irony-supported-major-modes
:error-filter flycheck-irony-error-filter
:predicate #'(lambda ()
irony-mode))
;;;###autoload
(defun flycheck-irony-setup ()
"Setup Flycheck Irony.
Add `irony' to `flycheck-checkers'."
(interactive)
(add-to-list 'flycheck-checkers 'irony))
(provide 'flycheck-irony)
;;; flycheck-irony.el ends here
|
