Fix issue #1020

core/handler/__init__.py

@@ -68,5 +68,6 @@ def handle_response(self, request_id, response):
 from core.handler.jdtls.jdtls_list_overridable_methods import JdtlsListOverridableMethods  # noqa: F401
 from core.handler.jdtls.jdtls_add_overridable_methods import JdtlsAddOverridableMethods  # noqa: F401
 from core.handler.inlay_hint import InlayHint  # noqa: F401
-from core.handler.semantic_tokens import SemanticTokens  # noqa: F401
+from core.handler.semantic_tokens import SemanticTokens # noqa: F401
+from core.handler.rust_expand_macro import RustExpandMacro # noqa: F401
 from core.handler.workspace_diagnostics import WorkspaceDiagnostics  # noqa: F401

core/handler/rust_expand_macro.py

@@ -0,0 +1,15 @@
+from core.handler import Handler
+from core.utils import *
+from typing import Union
+
+class RustExpandMacro(Handler):
+    name = "rust_expand_macro"
+    method = "rust-analyzer/expandMacro"
+    cancel_on_change = True
+
+    def process_request(self, position) -> dict:
+        self.pos = position
+        return dict(position=position)
+
+    def process_response(self, response: Union[dict, list]) -> None:
+        eval_in_emacs("lsp-bridge-rust-expand-macro--update", response["name"], response["expansion"])

lsp-bridge-rust.el

@@ -0,0 +1,104 @@
+;;; lsp-bridge-rust.el --- Rust protocol for lsp-bridge   -*- lexical-binding: t; -*-
+
+;; Filename: lsp-bridge-rust.el
+;; Description: Rust protocol for lsp-bridge
+;; Author: Andy Stewart <lazycat.manatee@gmail.com>
+;; Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
+;; Copyright (C) 2024, Andy Stewart, all rights reserved.
+;; Created: 2024-08-17 23:47:41
+;; Version: 0.1
+;; Last-Updated: 2024-08-17 23:47:41
+;;           By: Andy Stewart
+;; URL: https://www.github.org/manateelazycat/lsp-bridge-rust
+;; Keywords:
+;; Compatibility: GNU Emacs 31.0.50
+;;
+;; Features that might be required by this library:
+;;
+;;
+;;
+
+;;; This file is NOT part of GNU Emacs
+
+;;; License
+;;
+;; 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, 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; see the file COPYING.  If not, write to
+;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
+;; Floor, Boston, MA 02110-1301, USA.
+
+;;; Commentary:
+;;
+;; Rust protocol for lsp-bridge
+;;
+
+;;; Installation:
+;;
+;; Put lsp-bridge-rust.el to your load-path.
+;; The load-path is usually ~/elisp/.
+;; It's set in your ~/.emacs like this:
+;; (add-to-list 'load-path (expand-file-name "~/elisp"))
+;;
+;; And the following to your ~/.emacs startup file.
+;;
+;; (require 'lsp-bridge-rust)
+;;
+;; No need more.
+
+;;; Customize:
+;;
+;;
+;;
+;; All of the above can customize by:
+;;      M-x customize-group RET lsp-bridge-rust RET
+;;
+
+;;; Change log:
+;;
+;; 2024/08/17
+;;      * First released.
+;;
+
+;;; Acknowledgements:
+;;
+;;
+;;
+
+;;; TODO
+;;
+;;
+;;
+
+;;; Require
+
+
+;;; Code:
+
+(defun lsp-bridge-rust-expand-macro--update (name expansion)
+  ;; The name is macro name, not project name, you maybe want to replace it
+  (let ((buf (get-buffer-create (format "*rust macro expansion %s*" name))))
+    (with-current-buffer buf
+      (let ((inhibit-read-only t))
+        (erase-buffer)
+        (insert expansion)
+        ;; if you use `rust-mode', you should replace fuction
+        (rust-ts-mode)))
+    (switch-to-buffer-other-window buf)))
+
+(defun lsp-bridge-rust-expand-macro ()
+  (interactive)
+  (lsp-bridge-call-file-api "rust_expand_macro" (lsp-bridge--position)))
+
+(provide 'lsp-bridge-rust)
+
+;;; lsp-bridge-rust.el ends here

lsp-bridge.el

@@ -97,6 +97,7 @@
 (require 'lsp-bridge-inlay-hint)
 (require 'lsp-bridge-dart)
 (require 'lsp-bridge-semantic-tokens)
+(require 'lsp-bridge-rust)
 
 (defgroup lsp-bridge nil
   "LSP-Bridge group."