tvl-depot/emacs/.emacs.d/wpc/wpc-golang.el

;;; wpc-ocaml.el --- Tooling preferences for Go -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>

;;; Commentary:
;; Tooling support for golang development.

;;; Code:

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;; Dependencies
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(require 'prelude)

(prelude/assert (prelude/executable-exists? "goimports"))
(prelude/assert (prelude/executable-exists? "godoc"))
(prelude/assert (prelude/executable-exists? "godef"))

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;; Configuration
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;; TODO: Support jumping to go source code for fmt.Println, etc.

;; I'm unsure if this belongs in wpc-golang.el because it's a generic setting,
;; but because go is the first languages I've encountered that enforces tab
;; usage (I think) I'm configuring it.
(setq-default tab-width 4)

(use-package go-mode
  :config
  (setq gofmt-command "goimports")
  ;; TODO: Consider configuring `xref-find-definitions' to use `godef-jump'
  ;; instead of shadowing the KBD here.
  (general-define-key
   :states '(normal)
   :keymaps '(go-mode-map)
   "M-." #'godef-jump)
  ;; Support calling M-x `compile'.
  (add-hook 'go-mode-hook (lambda ()
                            (set (make-local-variable 'compile-command)
                                 "go build -v")))
  (add-hook-before-save 'go-mode-hook #'gofmt-before-save))

(provide 'wpc-golang)
;;; wpc-ocaml.el ends here