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spacemacs/layers/+lang/rust/funcs.el
2019-04-18 21:32:32 +02:00

77 lines
2.7 KiB
EmacsLisp
Executable file

;;; funcs.el --- rust Layer functions File for Spacemacs
;;
;; Copyright (c) 2012-2018 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/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))))
(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)
(let ((input-file-name (buffer-file-name))
(output-file-name (concat temporary-file-directory (make-temp-name "rustbin"))))
(compile
(format "rustc -o %s %s && %s"
(shell-quote-argument output-file-name)
(shell-quote-argument input-file-name)
(shell-quote-argument output-file-name)))))
(defun spacemacs//rust-setup-lsp ()
"Setup lsp backend"
(if (configuration-layer/layer-used-p 'lsp)
(lsp)
(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile."))
(if (configuration-layer/layer-used-p 'dap)
(progn
(require 'dap-gdb-lldb)
(spacemacs/dap-bind-keys-for-mode 'rust-mode))
(message "`dap' layer is not installed, please add `dap' layer to your dotfile.")))
(defun spacemacs//rust-setup-racer ()
"Setup racer backend"
(progn
(racer-mode)))
(defun spacemacs//rust-setup-backend ()
"Conditionally setup rust backend."
(pcase rust-backend
(`racer (spacemacs//rust-setup-racer))
(`lsp (spacemacs//rust-setup-lsp))))
(defun spacemacs//rust-setup-lsp-company ()
"Setup lsp auto-completion."
(if (configuration-layer/layer-used-p 'lsp)
(progn
(spacemacs|add-company-backends
:backends company-lsp
:modes rust-mode))
(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
(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//rust-setup-company ()
"Conditionally setup company based on backend."
(pcase rust-backend
(`racer (spacemacs//rust-setup-racer-company))
(`lsp (spacemacs//rust-setup-lsp-company))))