93 lines
3.7 KiB
EmacsLisp
93 lines
3.7 KiB
EmacsLisp
(require 'common-lsp)
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(require 'util-tree-sitter)
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(defun locate-rust-analyzer ()
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"Find rust-analyzer."
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(let ((rust-analyzer-paths (list (locate-rust-analyzer-rustup) (locate-rust-analyzer-ansible-built) (locate-rust-analyzer-in-path))))
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(let ((first-non-nil-path (seq-find (lambda (elt) elt) rust-analyzer-paths)))
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first-non-nil-path
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)
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)
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)
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(defun locate-rust-analyzer-rustup ()
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"Find rust-analyzer through rustup."
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(run-command-in-directory nil "rustup" "which" "rust-analyzer")
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)
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(defun locate-rust-analyzer-ansible-built ()
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"Find rust-analyzer where the ansible playbook built it."
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(let ((rust-analyzer-path "/opt/rust-analyzer/target/release/rust-analyzer"))
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(when (file-exists-p rust-analyzer-path)
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rust-analyzer-path
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)
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)
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)
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(defun locate-rust-analyzer-in-path ()
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"Find rust-analyzer in $PATH."
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(executable-find "rust-analyzer")
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)
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(use-package rust-ts-mode
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:pin manual
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:mode (
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("\\.rs\\'" . rust-ts-mode)
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)
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:commands (rust-ts-mode)
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:hook (
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(rust-ts-mode . (lambda ()
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(eglot-ensure)
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;; Disable on-type formatting which was incorrectly injecting parenthesis into my code.
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(make-local-variable 'eglot-ignored-server-capabilities)
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(add-to-list 'eglot-ignored-server-capabilities :documentOnTypeFormattingProvider)
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;; Configure initialization options
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(let ((rust-analyzer-command (locate-rust-analyzer)))
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(when rust-analyzer-command
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;; (add-to-list 'eglot-server-programs `(rust-ts-mode . (,rust-analyzer-command)))
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(add-to-list 'eglot-server-programs `(rust-ts-mode . (,rust-analyzer-command :initializationOptions (:imports (:granularity (:enforce t :group "item")
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:merge (:glob nil)
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:prefix "self")
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))))
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)
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)
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(add-hook 'before-save-hook 'eglot-format-buffer nil 'local)
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))
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)
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:init
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(add-to-list 'major-mode-remap-alist '(rust-mode . rust-ts-mode))
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(add-to-list 'treesit-language-source-alist '(rust "https://github.com/tree-sitter/tree-sitter-rust"))
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(unless (treesit-ready-p 'rust) (treesit-install-language-grammar 'rust))
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:config
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;; Add keybindings for interacting with Cargo
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(use-package cargo
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:hook (rust-ts-mode . cargo-minor-mode))
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)
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(use-package toml-ts-mode
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:ensure nil
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:pin manual
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:mode (
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("\\.toml\\'" . toml-ts-mode)
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)
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:commands (toml-ts-mode)
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:init
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(add-to-list 'treesit-language-source-alist '(toml "https://github.com/tree-sitter/tree-sitter-toml"))
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(unless (treesit-ready-p 'toml) (treesit-install-language-grammar 'toml))
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)
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;; Set additional rust-analyzer settings:
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;;
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;; (add-to-list 'eglot-server-programs `(rust-ts-mode . (,rust-analyzer-command :initializationOptions (:cargo (:features "all")))))
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;;
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;; In addition to the above, directory-specific settings can be written to a .dir-locals.el with the contents:
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;;
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;; (
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;; (rust-ts-mode . ((eglot-workspace-configuration
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;; . (:rust-analyzer (:cargo (:noDefaultFeatures t :features ["compare" "tracing"]))))
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;; ))
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;; )
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(provide 'lang-rust)
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