;; Copyright (C) 2016  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)

;; vibhavp: Should we use a lower value (5)?
(defcustom lsp-response-timeout 10
  "Number of seconds to wait for a response from the language server before timing out."
  :type 'number
  :group 'lsp-mode)

(defvar lsp--no-response)  ; shared with lsp-receive.el

(defun lsp--stdio-send-sync (message proc)
  (when lsp-print-io
    (message "lsp--stdio-send-sync: %s" message))
  (when (memq (process-status proc) '(stop exit closed failed nil))
    (error "%s: Cannot communicate with the process (%s)" (process-name proc)
           (process-status proc)))
  (process-send-string proc
                       message)

  (setq lsp--no-response t)
  (with-local-quit
    (accept-process-output proc lsp-response-timeout))
  (when lsp--no-response
    (signal 'lsp-timed-out-error nil)))

(defun lsp--stdio-send-async (message proc)
  (when lsp-print-io
    (message "lsp--stdio-send-async: %s" message))
  (when (memq (process-status proc) '(stop exit closed failed nil))
    (error "%s: Cannot communicate with the process (%s)" (process-name proc)
           (process-status proc)))
  (process-send-string proc
                       message))

(provide 'lsp-send)
;;; lsp-send.el ends here