Experimental feature: PHP-IDE

CHANGELOG.md

@@ -9,6 +9,9 @@ All notable changes of the PHP Mode 1.19.1 release series are documented in this
  * **Net feature**: `php-format` ([#731])
    * Add `php-format-project` and `php-format-this-buffer-file` commands
    * Add `php-format-auto-mode` minor mode
+ * **Experimental feature: `php-ide`** ([#709])
+   * Add `php-ide-phpactor` as simple IDE feature without LSP clients
+   * Add `php-ide-mode` minor mode for binding IDE-like features
 
 ### Fixed
 
@@ -19,6 +22,7 @@ All notable changes of the PHP Mode 1.19.1 release series are documented in this
  * No longer highlights `'link` in PHPDoc ([#724])
    * Please use `goto-address-prog-mode` minor mode
 
+[#709]: https://github.com/emacs-php/php-mode/pull/709
 [#724]: https://github.com/emacs-php/php-mode/pull/724
 [#726]: https://github.com/emacs-php/php-mode/pull/726
 [#731]: https://github.com/emacs-php/php-mode/pull/731

Cask

@@ -11,9 +11,13 @@
  "lisp/php-format.el"
  "lisp/php-project.el"
  "lisp/php-local-manual.el"
+ "lisp/php-ide-phpactor.el"
+ "lisp/php-ide.el"
  "lisp/php-mode-debug.el")
 
 (development
+ ;;(depends-on "lsp-mode")
+ (depends-on "phpactor")
  (depends-on "pkg-info")
  (depends-on "projectile")
  (depends-on "smart-jump")

Makefile

@@ -7,6 +7,8 @@ ELS += lisp/php-defs.el
 ELS += lisp/php-face.el
 ELS += lisp/php-flymake.el
 ELS += lisp/php-format.el
+ELS += lisp/php-ide-phpactor.el
+ELS += lisp/php-ide.el
 ELS += lisp/php-local-manual.el
 ELS += lisp/php-mode-debug.el
 ELS += lisp/php-mode.el

lisp/php-ide-phpactor.el

@@ -0,0 +1,127 @@
+;;; 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: 1.24.0
+;; 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)
+(eval-when-compile
+  (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 all :tag "All")
+              (const hover)
+              (const navigation))
+  :safe (lambda (v) (and (listp v)))
+  :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