172 lines
6.7 KiB
EmacsLisp
172 lines
6.7 KiB
EmacsLisp
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;;; lsp-ui-flycheck.el --- Flycheck support for lsp-mode -*- lexical-binding: t; -*-
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;; Copyright (C) 2017 fmdkdd
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;; URL: https://github.com/emacs-lsp/lsp-ui
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;; Keywords: languagues, tools
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;; Version: 6.2
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;; This program is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Flycheck integration for lsp-mode.
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;;; Code:
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(require 'flycheck nil 'noerror) ; Temporary solution, see #514
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(require 'pcase)
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(require 'dash)
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(require 'lsp-protocol)
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(require 'lsp-mode)
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(defgroup lsp-ui-flycheck nil
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"The LSP extension to display syntax checking."
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:group 'tools
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:group 'convenience
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:group 'lsp-ui
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:link '(custom-manual "(lsp-ui-flycheck) Top")
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:link '(info-link "(lsp-ui-flycheck) Customizing"))
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(defcustom lsp-ui-flycheck-list-position 'bottom
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"Position where `lsp-ui-flycheck-list' will show diagnostics for the
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whole workspace."
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:type '(choice (const :tag "Bottom" bottom)
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(const :tag "Right" right))
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:group 'lsp-ui-flycheck)
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(defvar-local lsp-ui-flycheck-list--buffer nil)
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(defvar-local lsp-ui-flycheck--save-mode nil)
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(defun lsp-ui-flycheck-list--post-command ()
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(when (eobp)
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(forward-line -1)))
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(defun lsp-ui-flycheck-list--update (window workspace)
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"Update flycheck buffer in WINDOW belonging to WORKSPACE.
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Use `lsp-diagnostics' to receive diagnostics from your LSP server."
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(let ((buffer-read-only nil)
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(lsp--cur-workspace workspace))
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(erase-buffer)
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(remove-overlays)
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(maphash (lambda (file diagnostic)
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(when diagnostic
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(overlay-put
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(make-overlay (point) (point))
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'after-string
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(concat (propertize "\n" 'face '(:height 0.2))
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(propertize (lsp-ui--workspace-path file)
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'face 'dired-directory)
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(propertize "\n" 'face '(:height 0.2)))))
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(dolist (diag diagnostic)
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(-let* (((&Diagnostic :message :severity? :source?
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:range (&Range :start (&Position :line start-line))) diag)
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(formatted-message (or (if source? (format "%s: %s" source? message) message) "???"))
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(severity (or severity? 1))
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(line (1+ start-line))
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(face (cond ((= severity 1) 'error)
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((= severity 2) 'warning)
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(t 'success)))
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(text (concat (propertize (number-to-string line) 'face face)
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": "
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(car (split-string formatted-message "\n")))))
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(add-text-properties 0 (length text) `(diag ,diag file ,file window ,window) text)
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(insert (concat text "\n")))))
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(lsp-diagnostics)))
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(if (= (point) 1)
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(overlay-put (make-overlay 1 1)
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'after-string "No diagnostic available\n")
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(goto-char 1))
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(lsp-ui-flycheck-list-mode))
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(defun lsp-ui-flycheck-list ()
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"List all the diagnostics in the whole workspace."
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(interactive)
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(let ((buffer (get-buffer-create "*lsp-diagnostics*"))
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(workspace lsp--cur-workspace)
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(window (selected-window)))
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(with-current-buffer buffer
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(lsp-ui-flycheck-list--update window workspace))
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(add-hook 'lsp-diagnostics-updated-hook 'lsp-ui-flycheck-list--refresh nil t)
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(setq lsp-ui-flycheck-list--buffer buffer)
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(let ((win (display-buffer-in-side-window
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buffer `((side . ,lsp-ui-flycheck-list-position) (slot . 5) (window-width . 0.20)))))
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(set-window-dedicated-p win t)
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(select-window win)
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(fit-window-to-buffer nil nil 10))))
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(defun lsp-ui-flycheck-list--refresh ()
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(let ((workspace lsp--cur-workspace)
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(current-window (selected-window)))
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(when (and (buffer-live-p lsp-ui-flycheck-list--buffer)
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(get-buffer-window lsp-ui-flycheck-list--buffer)
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workspace)
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(with-selected-window (get-buffer-window lsp-ui-flycheck-list--buffer)
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(lsp-ui-flycheck-list--update current-window workspace)
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(fit-window-to-buffer nil nil 10)))))
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(defun lsp-ui-flycheck-list--open ()
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(-when-let* ((diag (get-text-property (point) 'diag))
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((&Diagnostic :range (&Range :start (&Position :line start-line
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:character start-column))) diag)
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(file (get-text-property (point) 'file))
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(window (get-text-property (point) 'window))
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(marker (with-current-buffer
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(or (get-file-buffer file)
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(find-file-noselect file))
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(save-restriction
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(widen)
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(save-excursion
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(goto-char 1)
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(forward-line start-line)
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(forward-char start-column)
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(point-marker))))))
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(set-window-buffer window (marker-buffer marker) t)
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(with-selected-window window
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(goto-char marker)
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(recenter)
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(pulse-momentary-highlight-one-line (marker-position marker) 'next-error))
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window))
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(defun lsp-ui-flycheck-list--view ()
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(interactive)
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(lsp-ui-flycheck-list--open))
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(defun lsp-ui-flycheck-list--visit ()
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(interactive)
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(select-window (lsp-ui-flycheck-list--open)))
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(defun lsp-ui-flycheck-list--quit ()
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(interactive)
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(kill-buffer))
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(defvar lsp-ui-flycheck-list-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map (kbd "q") 'lsp-ui-flycheck-list--quit)
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(define-key map (kbd "<return>") 'lsp-ui-flycheck-list--view)
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(define-key map (kbd "<M-return>") 'lsp-ui-flycheck-list--visit)
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map)
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"Keymap for ‘lsp-ui-flycheck-list-mode’.")
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(define-derived-mode lsp-ui-flycheck-list-mode special-mode "lsp-ui-flycheck-list"
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"Mode showing flycheck diagnostics for the whole workspace."
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(setq truncate-lines t)
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(setq mode-line-format nil)
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(add-hook 'post-command-hook 'lsp-ui-flycheck-list--post-command nil t))
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(declare-function lsp-ui--workspace-path "lsp-ui" (path))
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(provide 'lsp-ui-flycheck)
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;;; lsp-ui-flycheck.el ends here
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