emacs-prelude/modules/prelude-rust.el

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;;; prelude-rust.el --- Emacs Prelude: Rust programming support.
;;
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;; Authors: Doug MacEachern, Manoel Vilela, Ben Alex
;; Version: 1.0.1
;; Keywords: convenience rust
;; This file is not part of GNU Emacs.
;;; Commentary:
;; Prelude configuration for Rust
;;; 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
;; 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Code:
(require 'prelude-programming)
;; You may need installing the following packages on your system:
;; * rustc (Rust Compiler)
;; * cargo (Rust Package Manager)
;; * racer (Rust Completion Tool)
;; * rustfmt (Rust Tool for formatting code)
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;; * rls (Rust Language Server, if the prelude-lsp feature is enabled)
(prelude-require-packages '(rust-mode
cargo
flycheck-rust
ron-mode))
(unless (featurep 'prelude-lsp)
(prelude-require-packages '(racer)))
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(setq rust-format-on-save t)
(with-eval-after-load 'rust-mode
(add-hook 'rust-mode-hook 'cargo-minor-mode)
(add-hook 'flycheck-mode-hook 'flycheck-rust-setup)
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(if (featurep 'prelude-lsp)
(add-hook 'rust-mode-hook 'lsp)
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(add-hook 'rust-mode-hook 'racer-mode)
(add-hook 'racer-mode-hook 'eldoc-mode))
(defun prelude-rust-mode-defaults ()
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(unless (featurep 'prelude-lsp)
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(local-set-key (kbd "C-c C-d") 'racer-describe)
(local-set-key (kbd "C-c .") 'racer-find-definition)
(local-set-key (kbd "C-c ,") 'pop-tag-mark))
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;; Prevent #! from chmodding rust files to be executable
(remove-hook 'after-save-hook 'executable-make-buffer-file-executable-if-script-p)
;; CamelCase aware editing operations
(subword-mode +1))
(setq prelude-rust-mode-hook 'prelude-rust-mode-defaults)
(add-hook 'rust-mode-hook (lambda ()
(run-hooks 'prelude-rust-mode-hook))))
(provide 'prelude-rust)
;;; prelude-rust.el ends here