This repository has been archived on 2024-10-22. You can view files and clone it, but cannot push or open issues or pull requests.
spacemacs/layers/+lang/rust/funcs.el
Teo Klestrup Röijezon 170e4a9852 Add keybind to reload Rust-Analyzer workspace
Allows you to pick up new Cargo dependencies without a (slooow)
full server restart.

See https://github.com/emacs-lsp/lsp-mode/pull/2728

Add diagnostic messages when trying to reload RA workspace

No point restarting when trying to reload RLS
2021-03-20 20:14:40 +00:00

132 lines
4.3 KiB
EmacsLisp
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; funcs.el --- rust Layer functions File for Spacemacs
;;
;; Copyright (c) 2012-2020 Sylvain Benner & Contributors
;;
;; Author: NJBS <DoNotTrackMeUsingThis@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(defun spacemacs//rust-backend ()
"Returns selected backend."
(if rust-backend
rust-backend
(cond
((configuration-layer/layer-used-p 'lsp) 'lsp)
(t 'racer))))
(defun spacemacs//rust-setup-backend ()
"Conditionally setup rust backend."
(pcase (spacemacs//rust-backend)
(`racer (spacemacs//rust-setup-racer))
(`lsp (spacemacs//rust-setup-lsp))))
(defun spacemacs//rust-setup-company ()
"Conditionally setup company based on backend."
(pcase (spacemacs//rust-backend)
(`racer (spacemacs//rust-setup-racer-company))))
(defun spacemacs//rust-setup-dap ()
"Conditionally setup elixir DAP integration."
;; currently DAP is only available using LSP
(pcase (spacemacs//rust-backend)
(`lsp (spacemacs//rust-setup-lsp-dap))))
;; lsp
(defun spacemacs//lsp-layer-not-installed-message ()
(message (concat "`lsp' layer is not installed, "
"please add `lsp' layer to your dotfile.")))
(defun spacemacs//lsp-rust-switch-server ()
"Switch between rust-analyzer and rls."
(interactive)
(lsp-rust-switch-server)
(call-interactively 'lsp-workspace-restart))
(defun spacemacs//rust-setup-lsp ()
"Setup lsp backend"
(if (configuration-layer/layer-used-p 'lsp)
(progn
(lsp)
(spacemacs/declare-prefix-for-mode 'rust-mode "ms" "switch")
(spacemacs/set-leader-keys-for-major-mode 'rust-mode
"ss" 'spacemacs//lsp-rust-switch-server
"bR" 'spacemacs//lsp-rust-analyzer-reload-workspace))
(spacemacs//lsp-layer-not-installed-message)))
(defun spacemacs//rust-setup-lsp-dap ()
"Setup DAP integration."
(require 'dap-gdb-lldb))
(defun spacemacs//lsp-rust-analyzer-reload-workspace ()
(interactive)
(if (->> (lsp-workspaces)
(mapcar 'lsp--workspace-client)
(mapcar 'lsp--client-server-id)
(member 'rust-analyzer))
(progn
(lsp-rust-analyzer-reload-workspace)
(message "Reloaded workspace"))
(message "RLS reloads automatically, and doesn't require an explicit reload")))
;; racer
(defun spacemacs//rust-setup-racer ()
"Setup racer backend"
(progn
(racer-mode)))
(defun spacemacs//rust-setup-racer-company ()
"Setup racer auto-completion."
(spacemacs|add-company-backends
:backends company-capf
:modes rust-mode
:variables company-tooltip-align-annotations t))
(defun spacemacs/racer-describe ()
"Show a *Racer Help* buffer for the function or type at point.
If `help-window-select' is non-nil, also select the help window."
(interactive)
(let ((window (racer-describe)))
(when help-window-select
(select-window window))))
;; Misc
(defvar spacemacs//rust-quick-run-tmp-file nil
"Stores filename for the rust-quick-run function")
(defun spacemacs//rust-quick-run-generate-tmp-file-name (input-file-name)
(concat temporary-file-directory
(file-name-nondirectory (buffer-file-name))
"-"
(md5 (buffer-file-name))))
(defun spacemacs//rust-quick-run-compilation-finish-function (buffer status)
(setq compilation-finish-functions
(delete 'spacemacs//rust-quick-run-compilation-finish-function
compilation-finish-functions))
(when (string-match "finished" status)
(newline)
(shell-command
(shell-quote-argument spacemacs//rust-quick-run-tmp-file) t)))
(defun spacemacs/rust-quick-run ()
"Quickly run a Rust file using rustc.
Meant for a quick-prototype flow only - use `spacemacs/open-junk-file' to open a
junk Rust file, type in some code and quickly run it. If you want to use
third-party crates, create a new project using `cargo-process-new' and run using
`cargo-process-run'."
(interactive)
(setq spacemacs//rust-quick-run-tmp-file
(spacemacs//rust-quick-run-generate-tmp-file-name(buffer-file-name)))
(add-to-list 'compilation-finish-functions
'spacemacs//rust-quick-run-compilation-finish-function)
(compile
(format "rustc -o %s %s"
(shell-quote-argument spacemacs//rust-quick-run-tmp-file)
(shell-quote-argument buffer-file-name))))