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spacemacs/contrib/syntax-checking/packages.el
2015-08-30 23:20:47 -04:00

126 lines
4.5 KiB
EmacsLisp

;;; packages.el --- Syntax Checking Layer packages File for Spacemacs
;;
;; Copyright (c) 2012-2014 Sylvain Benner
;; Copyright (c) 2014-2015 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(setq syntax-checking-packages
'(
flycheck
flycheck-pos-tip
popwin
))
(defun syntax-checking/init-flycheck ()
(use-package flycheck
:defer t
:init
(progn
(setq flycheck-standard-error-navigation nil)
(spacemacs|add-toggle syntax-checking
:status flycheck-mode
:on (flycheck-mode)
:off (flycheck-mode -1)
:documentation "Enable error and syntax checking."
:evil-leader "ts"))
:config
(progn
(spacemacs|diminish flycheck-mode "" " s")
;; color mode line faces
(defun spacemacs/defface-flycheck-mode-line-color (state)
"Define a face for the given Flycheck STATE."
(let* ((fname (intern (format "spacemacs-mode-line-flycheck-%s-face"
(symbol-name state))))
(foreground (face-foreground
(intern (format "flycheck-fringe-%s" state)))))
(eval `(defface ,fname '((t ()))
,(format "Color for Flycheck %s feedback in mode line."
(symbol-name state))
:group 'spacemacs))
(set-face-attribute fname nil
:foreground foreground
:box (face-attribute 'mode-line :box))))
(defun spacemacs/set-flycheck-mode-line-faces ()
"Define or set the flycheck info mode-line faces."
(mapcar 'spacemacs/defface-flycheck-mode-line-color
'(error warning info)))
(spacemacs/set-flycheck-mode-line-faces)
(defmacro spacemacs|custom-flycheck-lighter (error)
"Return a formatted string for the given ERROR (error, warning, info)."
`(let* ((error-counts (flycheck-count-errors
flycheck-current-errors))
(errorp (flycheck-has-current-errors-p ',error))
(err (or (cdr (assq ',error error-counts)) "?"))
(running (eq 'running flycheck-last-status-change)))
(if (or errorp running) (format "•%s " err))))
;; Custom fringe indicator
(when (fboundp 'define-fringe-bitmap)
(define-fringe-bitmap 'my-flycheck-fringe-indicator
(vector #b00000000
#b00000000
#b00000000
#b00000000
#b00000000
#b00000000
#b00000000
#b00011100
#b00111110
#b00111110
#b00111110
#b00011100
#b00000000
#b00000000
#b00000000
#b00000000
#b01111111)))
(flycheck-define-error-level 'error
:overlay-category 'flycheck-error-overlay
:fringe-bitmap 'my-flycheck-fringe-indicator
:fringe-face 'flycheck-fringe-error)
(flycheck-define-error-level 'warning
:overlay-category 'flycheck-warning-overlay
:fringe-bitmap 'my-flycheck-fringe-indicator
:fringe-face 'flycheck-fringe-warning)
(flycheck-define-error-level 'info
:overlay-category 'flycheck-info-overlay
:fringe-bitmap 'my-flycheck-fringe-indicator
:fringe-face 'flycheck-fringe-info)
;; toggle flycheck window
(defun spacemacs/toggle-flycheck-error-list ()
"Toggle flycheck's error list window.
If the error list is visible, hide it. Otherwise, show it."
(interactive)
(-if-let (window (flycheck-get-error-list-window))
(quit-window nil window)
(flycheck-list-errors)))
;; key bindings
(evil-leader/set-key
"ec" 'flycheck-clear
"eh" 'flycheck-describe-checker
"el" 'spacemacs/toggle-flycheck-error-list
"ev" 'flycheck-verify-setup))))
(defun syntax-checking/init-flycheck-pos-tip ()
(use-package flycheck-pos-tip
:if syntax-checking-enable-tooltips
:defer t
:init
(setq flycheck-display-errors-function 'flycheck-pos-tip-error-messages)))
(defun syntax-checking/post-init-popwin ()
(push '("^\*Flycheck.+\*$" :regexp t :dedicated t :position bottom :stick t :noselect t) popwin:special-display-config))