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spacemacs/layers/+lang/rust/funcs.el
Dietrich Daroch 3d0661a38d
Make rust-quick-run shell agnostic
This allows to use quick run when the default shell is not bash-compatible.

I also fixed the output name by using a digest of the filename rather
than always a new file as I noted that my /tmp got cluttered with 4MiB
files pretty quickly, and I was just using a hello-world like file.
2019-12-15 22:22:36 +00:00

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;;; 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//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))
(`lsp (spacemacs//rust-setup-lsp-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//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.")))
(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-lsp-dap ()
"Setup DAP integration."
(require 'dap-gdb-lldb))
;; 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
(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)
(lexical-let ((input-file-name
(buffer-file-name))
(output-file-name
(concat
temporary-file-directory
(file-name-nondirectory (buffer-file-name))
"-"
(md5 (buffer-file-name)))))
(add-to-list 'compilation-finish-functions
(lambda (buffer status)
(if (string-match "finished" status)
(shell-command
(shell-quote-argument output-file-name)
buffer)
(message "Compilation failed with: %s" status))))
(compile
(format "rustc -o %s %s"
(shell-quote-argument output-file-name)
(shell-quote-argument input-file-name)))
)
)