106 lines
3.4 KiB
EmacsLisp
106 lines
3.4 KiB
EmacsLisp
;;; funcs.el --- rust Layer functions File for Spacemacs
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;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
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;;
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;; Author: NJBS <DoNotTrackMeUsingThis@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(defun spacemacs//rust-backend ()
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"Returns selected backend."
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(if rust-backend
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rust-backend
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(cond
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((configuration-layer/layer-used-p 'lsp) 'lsp)
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(t 'racer))))
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(defun spacemacs//rust-setup-backend ()
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"Conditionally setup rust backend."
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(pcase (spacemacs//rust-backend)
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(`racer (spacemacs//rust-setup-racer))
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(`lsp (spacemacs//rust-setup-lsp))))
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(defun spacemacs//rust-setup-company ()
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"Conditionally setup company based on backend."
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(pcase (spacemacs//rust-backend)
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(`racer (spacemacs//rust-setup-racer-company))
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(`lsp (spacemacs//rust-setup-lsp-company))))
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(defun spacemacs//rust-setup-dap ()
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"Conditionally setup elixir DAP integration."
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;; currently DAP is only available using LSP
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(pcase (spacemacs//rust-backend)
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(`lsp (spacemacs//rust-setup-lsp-dap))))
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;; lsp
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(defun spacemacs//rust-setup-lsp ()
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"Setup lsp backend"
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(if (configuration-layer/layer-used-p 'lsp)
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(lsp)
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(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
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(defun spacemacs//rust-setup-lsp-company ()
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"Setup lsp auto-completion."
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(if (configuration-layer/layer-used-p 'lsp)
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(progn
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(spacemacs|add-company-backends
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:backends company-lsp
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:modes rust-mode))
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(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
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(defun spacemacs//rust-setup-lsp-dap ()
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"Setup DAP integration."
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(require 'dap-gdb-lldb))
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;; racer
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(defun spacemacs//rust-setup-racer ()
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"Setup racer backend"
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(progn
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(racer-mode)))
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(defun spacemacs//rust-setup-racer-company ()
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"Setup racer auto-completion."
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(spacemacs|add-company-backends
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:backends company-capf
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:modes rust-mode
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:variables company-tooltip-align-annotations t))
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(defun spacemacs/racer-describe ()
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"Show a *Racer Help* buffer for the function or type at point.
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If `help-window-select' is non-nil, also select the help window."
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(interactive)
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(let ((window (racer-describe)))
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(when help-window-select
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(select-window window))))
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;; Misc
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(defun spacemacs/rust-quick-run ()
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"Quickly run a Rust file using rustc.
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Meant for a quick-prototype flow only - use `spacemacs/open-junk-file' to
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open a junk Rust file, type in some code and quickly run it.
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If you want to use third-party crates, create a new project using `cargo-process-new' and run
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using `cargo-process-run'."
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(interactive)
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(lexical-let ((input-file-name (buffer-file-name))
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(output-file-name (concat temporary-file-directory
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(file-name-nondirectory (buffer-file-name))
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"-"
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(md5 (buffer-file-name)))))
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(add-to-list 'compilation-finish-functions
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(lambda (buffer status)
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(if (string-match "finished" status)
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(shell-command (shell-quote-argument output-file-name) buffer)
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(message "Compilation failed with: %s" status))))
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(compile
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(format "rustc -o %s %s"
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(shell-quote-argument output-file-name)
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(shell-quote-argument input-file-name)))))
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