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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/>.
;;; Commentary:
;; Imenu integration with lsp-mode. Enable with:
;; (require 'lsp-imenu)
;; (add-hook 'lsp-after-open-hook 'lsp-enable-imenu)
;;; Code:
(require 'imenu)
(require 'lsp-methods)
(require 'seq)
(defgroup lsp-imenu nil
"Customization group for `lsp-imenu'."
:group 'lsp-mode)
(defcustom lsp-imenu-show-container-name t
"Display the symbol's container name in an imenu entry."
:type 'boolean
:group 'lsp-imenu)
(defcustom lsp-imenu-container-name-separator "/"
"Separator string to use to separate the container name from the symbol while displaying imenu entries."
:type 'string
:group 'lsp-imenu)
(define-inline lsp--point-to-marker (p)
(inline-quote (save-excursion (goto-char ,p) (point-marker))))
(defun lsp--symbol-to-imenu-elem (sym)
(let ((pt (lsp--position-to-point
(gethash "start" (gethash "range" (gethash "location" sym)))))
(name (gethash "name" sym))
(container (gethash "containerName" sym)))
(cons (if (and lsp-imenu-show-container-name container)
(concat container lsp-imenu-container-name-separator name)
name)
(if imenu-use-markers (lsp--point-to-marker pt) pt))))
(defun lsp--symbol-filter (sym)
(not
(lsp--equal-files
(lsp--uri-to-path (gethash "uri" (gethash "location" sym)))
(buffer-file-name))))
(defun lsp--get-symbol-type (sym)
(or (cdr (assoc (gethash "kind" sym) lsp--symbol-kind)) "Other"))
(defun lsp--imenu-create-index ()
(let ((symbols (seq-remove #'lsp--symbol-filter (lsp--get-document-symbols))))
(mapcar (lambda (nested-alist)
(cons (car nested-alist)
(mapcar #'lsp--symbol-to-imenu-elem (cdr nested-alist))))
(seq-group-by #'lsp--get-symbol-type symbols))))
(defun lsp-enable-imenu ()
(setq-local imenu-create-index-function #'lsp--imenu-create-index))
(provide 'lsp-imenu)
;;; lsp-imenu.el ends here
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