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;; Copyright (C) 2016-2018 Vibhav Pant <vibhavp@gmail.com> -*- lexical-binding: t -*-
;; 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/>.
;;; Code:
(require 'lsp-common)
(require 'cl-lib)
(require 'subr-x)
(defcustom lsp-inhibit-message nil
"If non-nil, inhibit the message echo via `inhibit-message'."
:type 'boolean
:group 'lsp-mode)
(defcustom lsp-report-if-no-buffer t
"If non nil the errors will be reported even when the file is not open."
:type 'boolean
:group 'lsp-mode)
(defun lsp--window-show-message (params &optional workspace)
"Send the server's messages to message, inhibit if `lsp-inhibit-message' is set,
or the message matches one of this client's :ignore-messages"
(let* ((inhibit-message (or inhibit-message lsp-inhibit-message))
(message (gethash "message" params))
(client (lsp--workspace-client workspace)))
(when (or (not client)
(cl-notany (lambda (r) (string-match-p r message))
(lsp--client-ignore-messages client)))
(message "%s" (lsp--propertize message (gethash "type" params))))))
(defun lsp--window-show-message-request (params)
"Display a message request to the user and send the user's
selection back to the server."
(let* ((type (gethash "type" params))
(message (lsp--propertize (gethash "message" params) type))
(choices (mapcar (lambda (choice) (gethash "title" choice))
(gethash "actions" params))))
(if choices
(completing-read (concat message " ") choices nil t)
(message message))))
(defcustom lsp-after-diagnostics-hook nil
"Hooks to run after diagnostics are received from the language
server and put in `lsp--diagnostics'."
:type 'hook
:group 'lsp-mode)
(defvar lsp--diagnostics (make-hash-table :test 'equal)
"Hash table storing the diagnostics per file.")
(cl-defstruct lsp-diagnostic
(range nil :read-only t)
;; range has the form (:start (:line N :column N) :end (:line N :column N) )
;; where N are zero-indexed numbers
(line nil :read-only t)
(column nil :read-only t)
(severity nil :read-only t) ;; 1 - error, 2 - warning, 3 - information, 4 - hint
(code nil :read-only t) ;; the diagnostic's code
(source nil :read-only t) ;;
(message nil :read-only t) ;; diagnostic's message
(original nil :read-only t) ;; original diagnostic from LSP, kept for when it
;; needs to be sent back in e.g. codeAction
;; context.
)
(defun lsp--make-diag (diag)
"Make a `lsp-diagnostic' from DIAG."
(let* ((range (gethash "range" diag))
(start (gethash "start" range))
(end (gethash "end" range))
(message (gethash "message" diag))
(source (gethash "source" diag)))
(make-lsp-diagnostic
:range (list :start (list :line (gethash "line" start)
:column (gethash "character" start))
:end (list :line (gethash "line" end)
:column (gethash "character" end)))
:line (gethash "line" start)
:column (gethash "character" start)
:severity (gethash "severity" diag)
:code (gethash "code" diag)
:source (gethash "source" diag)
:message (if source (format "%s: %s" source message) message)
:original diag)))
(defun lsp--equal-files (f1 f2)
(and f1 f2
(string-equal (file-truename f1) (file-truename f2))))
(defun lsp--on-diagnostics (params workspace)
"Callback for textDocument/publishDiagnostics.
interface PublishDiagnosticsParams {
uri: string;
diagnostics: Diagnostic[];
}"
(let ((file (lsp--uri-to-path (gethash "uri" params)))
(diagnostics (gethash "diagnostics" params)) buffer)
(setq buffer (cl-loop for buffer in (lsp--workspace-buffers workspace)
when (lsp--equal-files (buffer-file-name buffer) file)
return buffer
finally return nil))
(when (or lsp-report-if-no-buffer buffer)
(puthash file (mapcar #'lsp--make-diag diagnostics) lsp--diagnostics))
(when buffer
(with-current-buffer buffer
(run-hooks 'lsp-after-diagnostics-hook)))))
(declare-function lsp--workspace-buffers "lsp-methods" (workspace))
(provide 'lsp-notifications)
;;; lsp-notifications.el ends here
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