Files
.emacs.d/modules/siren-go.el

102 lines
2.4 KiB
EmacsLisp

;;; siren-go.el --- jimeh's Emacs Siren: go-mode configuration.
;;; Commentary:
;; Basic configuration for go-mode.
;;; Code:
(require 'siren-programming)
(require 'siren-flycheck)
(use-package go-mode
:mode "\\.go\\'"
:interpreter "go"
:commands go-mode
:bind (:map go-mode-map
("RET" . newline-and-indent)
("C-c a" . go-test-current-project)
("C-c m" . go-test-current-file)
("C-c ." . go-test-current-test)
("C-c b" . go-run)
("C-c d" . godef-jump)
("C-c C-j" . avy-goto-word-or-subword-1)
("C-h f" . godoc-at-point))
:hook
(go-mode . siren-go-mode-setup)
:init
(defun siren-go-mode-setup ()
(siren-prog-mode-setup)
;; Prefer goimports to gofmt if installed
(let ((goimports (executable-find "goimports")))
(when goimports
(setq gofmt-command goimports)))
;; gofmt on save
(add-hook 'before-save-hook 'gofmt-before-save nil t)
;; prevent go-projectile from screwing up GOPATH
(setq go-projectile-switch-gopath 'never)
;; enable company-mode
(set (make-local-variable 'company-backends) '(company-go))
(company-mode +1)
;; enable hide/show
(hs-minor-mode 1)
(hideshowvis-enable)
;; go-guru
(go-guru-hl-identifier-mode 1)
(setq go-guru-hl-identifier-idle-time 0.1)
;; stop whitespace being highlighted
(whitespace-toggle-options '(tabs))
;; make tabs 4 spaces wide
(setq tab-width 4)
;; El-doc for Go
;; (go-eldoc-setup)
;; CamelCase aware editing operations
(subword-mode +1))
:config
(message "loading go-mode")
(when (memq window-system '(mac ns))
(exec-path-from-shell-copy-env "GOPATH"))
(define-key 'help-command (kbd "G") 'godoc)
;; Ignore go test -c output files
(add-to-list 'completion-ignored-extensions ".test"))
(use-package company-go :defer t)
(use-package go-eldoc :defer t)
(use-package go-guru :defer t)
(use-package go-rename :defer t)
(use-package gotest :defer t)
(use-package go-projectile
:defer t
:init
;; prevent go-projectile from screwing up GOPATH
(setq go-projectile-switch-gopath 'never))
(use-package flycheck-gometalinter
:requires flycheck
:hook (flycheck-mode . flycheck-gometalinter-setup)
:init
(setq flycheck-gometalinter-fast t
flycheck-gometalinter-tests t
flycheck-gometalinter-vendor t))
(provide 'siren-go)
;;; siren-go.el ends here