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emacs-config/oni-lsp.el
Tom Willemse d4e4a25cde Add documentation command for LSP
The default way lsp (at least for Java) is displayed is annoying. I’m used to
calling documentation with a keybinding like in Emacs Lisp. This command makes
it more like that.
2019-10-21 00:42:30 -07:00

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1.8 KiB
EmacsLisp

;;; oni-lsp.el --- LSP configuration -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 2019.1021.004102
;; Package-Requires: (lsp-mode 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Configuration for `lsp-mode' and friends.
;;; Code:
(require 'lsp)
(require 'lsp-ui)
(defun oni-lsp-show-doc ()
"Show documentation string in a help buffer."
(interactive)
(let* ((position-params (lsp--text-document-position-params))
(response (lsp-request "textDocument/hover" position-params))
(contents (gethash "contents" response))
(help-string (lsp-ui-doc--extract contents))
(symbol (gethash "value" (pcase contents
((pred arrayp) (aref contents 0))
(_ contents)))))
(with-help-window (help-buffer)
(princ symbol)
(princ "\n\n")
(princ help-string))))
(setq lsp-prefer-flymake nil)
(setq lsp-ui-doc-enable nil)
(setq lsp-ui-sideline-enable nil)
(add-hook 'lsp-mode-hook 'lsp-lens-mode)
;;;###autoload(with-eval-after-load 'lsp (require 'oni-lsp))
(provide 'oni-lsp)
;;; oni-lsp.el ends here