doomemacs/modules/lang/rust/config.el
2020-03-27 18:06:42 -04:00

74 lines
2.9 KiB
EmacsLisp

;;; lang/rust/config.el -*- lexical-binding: t; -*-
(after! projectile
(add-to-list 'projectile-project-root-files "Cargo.toml"))
;;
;;; Packages
(use-package! rustic
:mode ("\\.rs$" . rustic-mode)
:commands rustic-run-cargo-command rustic-cargo-outdated
:hook (rustic-mode . rainbow-delimiters-mode)
:config
(set-docsets! 'rustic-mode "Rust")
(set-popup-rule! "^\\*rustic-compilation" :vslot -1)
(setq rustic-indent-method-chain t
;; use :editor format instead
rustic-format-trigger nil)
(if (featurep! +lsp)
(add-hook 'rustic-mode-local-vars-hook #'lsp!)
(setq rustic-lsp-server nil)
(after! rustic-flycheck
(add-to-list 'flycheck-checkers 'rustic-clippy)))
(map! :map rustic-mode-map
:localleader
(:prefix ("b" . "build")
:desc "cargo audit" "a" #'+rust/cargo-audit
:desc "cargo build" "b" #'rustic-cargo-build
:desc "cargo bench" "B" #'rustic-cargo-bench
:desc "cargo check" "c" #'rustic-cargo-check
:desc "cargo clippy" "C" #'rustic-cargo-clippy
:desc "cargo doc" "d" #'rustic-cargo-doc
:desc "cargo fmt" "f" #'rustic-cargo-fmt
:desc "cargo new" "n" #'rustic-cargo-new
:desc "cargo outdated" "o" #'rustic-cargo-outdated
:desc "cargo run" "r" #'rustic-cargo-run)
(:prefix ("t" . "cargo test")
:desc "all" "a" #'rustic-cargo-test
:desc "current test" "t" #'rustic-cargo-current-test))
;; HACK Fixes #2541: RLS doesn't appear to support documentSymbol, but
;; lsp-rust thinks it does, and so yields imenu population to the server.
;; The result is an empty imenu list. Until RLS supports documentSymbol,
;; we disable `lsp-enable-imenu' is rust+RLS buffers.
(defadvice! +rust--disable-imenu-for-lsp-mode-a (&rest _)
:before #'rustic-lsp-mode-setup
(when (eq rustic-lsp-server 'rls)
(setq-local lsp-enable-imenu nil)))
;; If lsp/elgot isn't available, it attempts to install lsp-mode via
;; package.el. Doom manages its own dependencies through straight so disable
;; this behavior to avoid package-not-initialized errors.
(defadvice! +rust--dont-install-packages-a (&rest _)
:override #'rustic-install-lsp-client-p
(message "No LSP server running")))
(use-package! racer
:unless (featurep! +lsp)
:hook (rustic-mode . racer-mode)
:init
;; HACK Fix #2132: `racer' depends on `rust-mode', which tries to modify
;; `auto-mode-alist'. We make extra sure that doesn't stick, especially
;; when a buffer is reverted, as it is after rustfmt is done wiht it.
(after! rust-mode
(setq auto-mode-alist (delete '("\\.rs\\'" . rust-mode) auto-mode-alist)))
:config
(set-lookup-handlers! 'rustic-mode
:definition '(racer-find-definition :async t)
:documentation '+rust-racer-lookup-documentation))