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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-flycheck.el')
| -rw-r--r-- | configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-flycheck.el | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-flycheck.el b/configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-flycheck.el new file mode 100644 index 000000000000..d6397d074026 --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/lsp-ui-20180619.251/lsp-ui-flycheck.el @@ -0,0 +1,235 @@ +;;; lsp-ui-flycheck.el --- Flycheck support for lsp-mode -*- lexical-binding: t; -*- + +;; Copyright (C) 2017 fmdkdd +;; URL: https://github.com/emacs-lsp/lsp-ui +;; Keywords: lsp, ui + +;; 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: + +;; Flycheck integration for lsp-mode. To enable, put this in your config: +;; (require 'lsp-ui-flycheck) +;; (with-eval-after-load 'lsp-mode +;; (add-hook 'lsp-after-open-hook (lambda () (lsp-ui-flycheck-enable 1)))) + +;;; Code: + +(require 'lsp-notifications) +(require 'lsp-mode) +(require 'flycheck) +(require 'pcase) +(require 'dash) + +(defgroup lsp-ui-flycheck nil + "The LSP extension to display syntax checking." + :group 'tools + :group 'convenience + :group 'lsp-ui + :link '(custom-manual "(lsp-ui-flycheck) Top") + :link '(info-link "(lsp-ui-flycheck) Customizing")) + +(defcustom lsp-ui-flycheck-enable t + "Whether or not to enable ‘lsp-ui-flycheck’." + :type 'boolean + :group 'lsp-ui) + +(defcustom lsp-ui-flycheck-live-reporting t + "If non-nil, diagnostics in buffer will be reported as soon as possible. +Typically, on every keystroke. +If nil, diagnostics will be reported according to `flycheck-check-syntax-automatically'." + :type 'boolean + :group 'lsp-ui-flycheck) + +(defcustom lsp-ui-flycheck-list-position 'bottom + "Position where `lsp-ui-flycheck-list' will show diagnostics for the whole workspace." + :type '(choice (const :tag "Bottom" bottom) + (const :tag "Right" right)) + :group 'lsp-ui-flycheck) + +(defvar-local lsp-ui-flycheck-list--buffer nil) + +(defun lsp-ui-flycheck-list--post-command () + (when (eobp) + (forward-line -1))) + +(defun lsp-ui-flycheck-list--update (window workspace) + (let ((buffer-read-only nil) + (lsp--cur-workspace workspace)) + (erase-buffer) + (remove-overlays) + (maphash (lambda (file diagnostic) + (when diagnostic + (overlay-put + (make-overlay (point) (point)) + 'after-string + (concat (propertize "\n" 'face '(:height 0.2)) + (propertize (lsp-ui--workspace-path file) + 'face 'dired-directory) + (propertize "\n" 'face '(:height 0.2))))) + (dolist (diag diagnostic) + (let* ((message (or (lsp-diagnostic-message diag) "???")) + (severity (or (lsp-diagnostic-severity diag) 1)) + (line (or (lsp-diagnostic-line diag) 1)) + (face (cond ((= severity 1) 'error) + ((= severity 2) 'warning) + (t 'success))) + (text (concat (propertize (number-to-string line) 'face face) + ": " + (car (split-string message "\n"))))) + (add-text-properties 0 (length text) `(diag ,diag file ,file window ,window) text) + (insert (concat text "\n"))))) + lsp--diagnostics)) + (if (= (point) 1) + (overlay-put (make-overlay 1 1) + 'after-string "No diagnostic available\n") + (goto-char 1)) + (lsp-ui-flycheck-list-mode)) + +(defun lsp-ui-flycheck-list () + "List all the diagnostics in the whole workspace." + (interactive) + (let ((buffer (get-buffer-create "*lsp-diagnostics*")) + (workspace lsp--cur-workspace) + (window (selected-window))) + (with-current-buffer buffer + (lsp-ui-flycheck-list--update window workspace)) + (add-hook 'lsp-after-diagnostics-hook 'lsp-ui-flycheck-list--refresh nil t) + (setq lsp-ui-flycheck-list--buffer buffer) + (let ((win (display-buffer-in-side-window + buffer `((side . ,lsp-ui-flycheck-list-position) (slot . 5) (window-width . 0.20))))) + (set-window-dedicated-p win t) + (select-window win) + (fit-window-to-buffer nil nil 10)))) + +(defun lsp-ui-flycheck-list--refresh () + (let ((workspace lsp--cur-workspace) + (current-window (selected-window))) + (when (and (buffer-live-p lsp-ui-flycheck-list--buffer) + (get-buffer-window lsp-ui-flycheck-list--buffer) + workspace) + (with-selected-window (get-buffer-window lsp-ui-flycheck-list--buffer) + (lsp-ui-flycheck-list--update current-window workspace) + (fit-window-to-buffer nil nil 10))))) + +(defun lsp-ui-flycheck-list--open () + (-when-let* ((diag (get-text-property (point) 'diag)) + (file (get-text-property (point) 'file)) + (window (get-text-property (point) 'window)) + (line (lsp-diagnostic-line diag)) + (column (lsp-diagnostic-column diag)) + (marker (with-current-buffer + (or (get-file-buffer file) + (find-file-noselect file)) + (save-restriction + (widen) + (save-excursion + (goto-char 1) + (forward-line line) + (forward-char column) + (point-marker)))))) + (set-window-buffer window (marker-buffer marker) t) + (with-selected-window window + (goto-char marker) + (recenter) + (pulse-momentary-highlight-one-line (marker-position marker) 'next-error)) + window)) + +(defun lsp-ui-flycheck-list--view () + (interactive) + (lsp-ui-flycheck-list--open)) + +(defun lsp-ui-flycheck-list--visit () + (interactive) + (select-window (lsp-ui-flycheck-list--open))) + +(defun lsp-ui-flycheck-list--quit () + (interactive) + (kill-buffer)) + +(defvar lsp-ui-flycheck-list-mode-map nil + "Keymap for ‘lsp-ui-flycheck-list-mode’.") +(unless lsp-ui-flycheck-list-mode-map + (let ((map (make-sparse-keymap))) + (define-key map (kbd "q") 'lsp-ui-flycheck-list--quit) + (define-key map (kbd "<return>") 'lsp-ui-flycheck-list--view) + (define-key map (kbd "<M-return>") 'lsp-ui-flycheck-list--visit) + (setq lsp-ui-flycheck-list-mode-map map))) + +(define-derived-mode lsp-ui-flycheck-list-mode special-mode "lsp-ui-flycheck-list" + "Mode showing flycheck diagnostics for the whole workspace." + (setq truncate-lines t) + (setq mode-line-format nil) + (add-hook 'post-command-hook 'lsp-ui-flycheck-list--post-command nil t)) + +(defun lsp-ui-flycheck--start (checker callback) + "Start an LSP syntax check with CHECKER. + +CALLBACK is the status callback passed by Flycheck." + ;; Turn all errors from lsp--diagnostics for the current buffer into + ;; flycheck-error objects and pass them immediately to the callback + (let ((errors)) + (dolist (diag (or (gethash buffer-file-name lsp--diagnostics) + (gethash (file-truename buffer-file-name) lsp--diagnostics))) + (push (flycheck-error-new + :buffer (current-buffer) + :checker checker + :filename buffer-file-name + :line (1+ (lsp-diagnostic-line diag)) + :column (1+ (lsp-diagnostic-column diag)) + :message (lsp-diagnostic-message diag) + :level (pcase (lsp-diagnostic-severity diag) + (1 'error) + (2 'warning) + (_ 'info)) + :id (lsp-diagnostic-code diag)) + errors)) + (funcall callback 'finished errors))) + +(flycheck-define-generic-checker 'lsp-ui + "A syntax checker using the Language Server Protocol (RLS) +provided by lsp-mode. + +See https://github.com/emacs-lsp/lsp-mode." + :start #'lsp-ui-flycheck--start + :modes '(python-mode) ; Need a default mode + :predicate (lambda () lsp-mode) + :error-explainer (lambda (e) (flycheck-error-message e))) + +(defun lsp-ui-flycheck-add-mode (mode) + "Add MODE as a valid major mode for the lsp checker." + (unless (flycheck-checker-supports-major-mode-p 'lsp-ui mode) + (flycheck-add-mode 'lsp-ui mode))) + +(defun lsp-ui-flycheck--report nil + (and flycheck-mode + lsp-ui-flycheck-live-reporting + (flycheck-buffer))) + +;; FIXME: Provide a way to disable lsp-ui-flycheck +(defun lsp-ui-flycheck-enable (_) + "Enable flycheck integration for the current buffer." + (when lsp-ui-flycheck-live-reporting + (setq-local flycheck-check-syntax-automatically nil)) + (setq-local flycheck-checker 'lsp-ui) + (lsp-ui-flycheck-add-mode major-mode) + (add-to-list 'flycheck-checkers 'lsp-ui) + (add-hook 'lsp-after-diagnostics-hook 'lsp-ui-flycheck--report nil t)) + +;; lsp-ui.el loads lsp-ui-flycheck.el, so we can’t ‘require’ lsp-ui. +;; FIXME: Remove this cyclic dependency. +(declare-function lsp-ui--workspace-path "lsp-ui" (path)) + +(provide 'lsp-ui-flycheck) +;;; lsp-ui-flycheck.el ends here |