80 lines
3.2 KiB
EmacsLisp
80 lines
3.2 KiB
EmacsLisp
;;; lang/rust/config.el -*- lexical-binding: t; -*-
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(after! projectile
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(add-to-list 'projectile-project-root-files "Cargo.toml"))
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;;
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;;; Packages
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(use-package! rustic
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:mode ("\\.rs$" . rustic-mode)
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:commands rustic-run-cargo-command rustic-cargo-outdated
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:config
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(set-docsets! 'rustic-mode "Rust")
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(setq rustic-indent-method-chain t
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rustic-flycheck-setup-mode-line-p nil
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;; use :editor format instead
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rustic-format-trigger nil
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;; REVIEW `rust-ordinary-lt-gt-p' is terribly expensive in large rust
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;; buffers, so we disable it, but only for evil users, because it
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;; affects `forward-sexp' and its ilk. See
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;; https://github.com/rust-lang/rust-mode/issues/288.
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rustic-match-angle-brackets (not (featurep! :editor evil))
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;; We use the superior default client provided by `lsp-mode', not the
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;; one rustic-mode sets up for us.
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rustic-lsp-client nil)
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(add-hook 'rustic-mode-hook #'rainbow-delimiters-mode)
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(when (featurep! +lsp)
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(add-hook 'rustic-mode-local-vars-hook #'lsp!))
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(map! :map rustic-mode-map
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:localleader
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(:prefix ("b" . "build")
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:desc "cargo audit" "a" #'+rust/cargo-audit
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:desc "cargo build" "b" #'rustic-cargo-build
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:desc "cargo bench" "B" #'rustic-cargo-bench
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:desc "cargo check" "c" #'rustic-cargo-check
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:desc "cargo clippy" "C" #'rustic-cargo-clippy
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:desc "cargo doc" "d" #'rustic-cargo-doc
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:desc "cargo fmt" "f" #'rustic-cargo-fmt
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:desc "cargo new" "n" #'rustic-cargo-new
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:desc "cargo outdated" "o" #'rustic-cargo-outdated
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:desc "cargo run" "r" #'rustic-cargo-run)
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(:prefix ("t" . "cargo test")
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:desc "all" "a" #'rustic-cargo-test
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:desc "current test" "t" #'rustic-cargo-current-test))
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(defadvice! +rust--dont-install-packages-p (orig-fn &rest args)
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:around #'rustic-setup-lsp
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(cl-letf (;; `rustic-setup-lsp' uses `package-installed-p' to determine if
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;; lsp-mode/elgot are available. This breaks because Doom doesn't
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;; use package.el to begin with (and lazy loads it).
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((symbol-function #'package-installed-p)
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(lambda (pkg)
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(require pkg nil t)))
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;; If lsp/elgot isn't available, it attempts to install lsp-mode
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;; via package.el. Doom manages its own dependencies so we disable
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;; that behavior.
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((symbol-function #'rustic-install-lsp-client-p)
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(lambda (&rest _)
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(message "No LSP server running"))))
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(apply orig-fn args))))
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(use-package! racer
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:unless (featurep! +lsp)
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:hook (rustic-mode . racer-mode)
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:init
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;; HACK Fix #2132: `racer' depends on `rust-mode', which tries to modify
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;; `auto-mode-alist'. We make extra sure that doesn't stick, especially
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;; when a buffer is reverted, as it is after rustfmt is done wiht it.
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(after! rust-mode
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(setq auto-mode-alist (delete '("\\.rs\\'" . rust-mode) auto-mode-alist)))
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:config
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(set-lookup-handlers! 'rustic-mode
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:definition '(racer-find-definition :async t)
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:documentation '+rust-racer-lookup-documentation))
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