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php-ide-phpactor.el
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;;; php-ide-phpactor.el --- PHP-IDE feature using Phpactor RPC -*- lexical-binding: t; -*-
;; Copyright (C) 2023 Friends of Emacs-PHP development
;; Author: USAMI Kenta <[email protected]>
;; Keywords: tools, files
;; URL: https://github.com/emacs-php/php-mode
;; Version: 1.26.1
;; License: GPL-3.0-or-later
;; 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:
;; PHP-IDE implementation to integrate Phpactor (phpactor.el).
;; This feature depends on <https://github.com/emacs-php/phpactor.el>.
;;; Code:
(require 'phpactor nil t)
(require 'popup nil t)
(require 'smart-jump nil t)
(require 'cl-lib)
(defvar-local php-ide-phpactor-buffer nil)
(defvar-local php-ide-phpactor-hover-last-pos nil)
(defvar-local php-ide-phpactor-hover-last-msg nil)
(declare-function phpactor--command-argments "ext:phpactor" (&rest arg-keys))
(declare-function phpactor--parse-json "ext:phpactor" (buffer))
(declare-function phpactor--rpc-async "ext:phpactor" (action arguments callback))
(declare-function phpactor-goto-definition "ext:phpactor" ())
(declare-function popup-tip "ext:popup" (string))
(declare-function smart-jump-back "ext:smart-jump" ())
(declare-function smart-jump-go "ext:smart-jump" (&optional smart-list continue))
(declare-function smart-jump-references "ext:smart-jump" (&optional smart-list continue))
(defgroup php-ide-phpactor nil
"UI support for PHP developing."
:tag "PHP-IDE Phpactor"
:prefix "php-ide-phpactor-"
:group 'php-ide)
(defcustom php-ide-phpactor-activate-features '(all)
"A set of Phpactor features you want to enable."
:tag "PHP-IDE Phpactor Activate Features"
:type '(set (const :tag "All" all)
(const hover)
(const navigation))
:safe (lambda (xs) (and (listp xs)
(cl-every (lambda (x) (memq x '(all hover navigation))) xs)))
:group 'php-ide-phpactor)
(defvar php-ide-phpactor-timer nil
"Timer object for execute Phpactor and display hover message.")
(defvar php-ide-phpactor-disable-hover-at-point-functions
'(php-in-string-or-comment-p))
(defun php-ide-phpactor--disable-hover-at-point-p ()
"Return non-NIL if any function return non-NIL for disable to hover at point."
(cl-loop for f in php-ide-phpactor-disable-hover-at-point-functions
never (not (funcall f))))
(defun php-ide-phpactor-hover ()
"Show brief information about the symbol underneath the cursor."
(interactive)
(when (and php-ide-phpactor-buffer (not (php-ide-phpactor--disable-hover-at-point-p)))
(if (eq (point) php-ide-phpactor-hover-last-pos)
(when php-ide-phpactor-hover-last-msg
(let ((msg php-ide-phpactor-hover-last-msg))
(setq php-ide-phpactor-hover-last-msg nil)
(popup-tip msg)))
(setq php-ide-phpactor-hover-last-pos (point))
(let ((main-buffer (current-buffer)))
(phpactor--rpc-async "hover" (phpactor--command-argments :source :offset)
(lambda (proc)
(let* ((response (phpactor--parse-json (process-buffer proc)))
(msg (plist-get (plist-get response :parameters) :message)))
(with-current-buffer main-buffer
(setq php-ide-phpactor-hover-last-msg msg)))))))))
(defsubst php-ide-phpactor--feature-activated-p (feature)
"Is FEATURE activated in `php-ide-phpactor-activate-features'."
(or (memq 'all php-ide-phpactor-activate-features)
(memq feature php-ide-phpactor-activate-features)))
;;;###autoload
(defun php-ide-phpactor-activate ()
"Activate PHP-IDE using phpactor.el."
(interactive)
(when (php-ide-phpactor--feature-activated-p 'navigation)
(if (not (bound-and-true-p phpactor-smart-jump-initialized))
(local-set-key [remap xref-find-definitions] #'phpactor-goto-definition)
(local-set-key [remap xref-find-definitions] #'smart-jump-go)
(local-set-key [remap xref-pop-marker-stack] #'smart-jump-back)
(local-set-key [remap xref-find-references] #'smart-jump-references)))
(when (php-ide-phpactor--feature-activated-p 'hover)
(unless php-ide-phpactor-timer
(setq php-ide-phpactor-timer (run-with-timer 0.8 0.8 #'php-ide-phpactor-hover))))
(setq php-ide-phpactor-buffer t))
;;;###autoload
(defun php-ide-phpactor-deactivate ()
"Dectivate PHP-IDE using phpactor.el."
(interactive)
(local-unset-key [remap xref-find-definitions])
(local-unset-key [remap xref-pop-marker-stack])
(local-unset-key [remap xref-find-references])
(when php-ide-phpactor-timer
(cancel-timer php-ide-phpactor-timer)
(setq php-ide-phpactor-timer nil))
(setq php-ide-phpactor-buffer nil))
(provide 'php-ide-phpactor)
;;; php-ide-phpactor.el ends here