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

97 lines
2.6 KiB
EmacsLisp

;;; siren-go.el --- jimeh's Emacs Siren: go-mode configuration.
;;; Commentary:
;; Basic configuration for go-mode.
;;; Code:
(require 'siren-programming)
(siren-require-packages
'(go-mode
company-go
go-eldoc
go-projectile
gotest
go-guru
go-rename
flycheck-gometalinter))
(when (memq window-system '(mac ns))
(exec-path-from-shell-copy-env "GOPATH"))
;; Ignore go test -c output files
(add-to-list 'completion-ignored-extensions ".test")
(require 'flycheck-gometalinter)
(setq flycheck-gometalinter-fast t)
(setq flycheck-gometalinter-tests t)
(setq flycheck-gometalinter-vendor t)
(eval-after-load 'flycheck
'(add-hook 'flycheck-mode-hook #'flycheck-gometalinter-setup))
(define-key 'help-command (kbd "G") 'godoc)
(eval-after-load 'go-mode
'(progn
(require 'go-projectile)
(require 'go-guru)
(require 'go-rename)
(require 'company-go)
(defun siren-go-mode-defaults ()
(siren-prog-mode-defaults)
;; Add to default go-mode key bindings
(let ((map go-mode-map))
(define-key map (kbd "RET") 'newline-and-indent)
(define-key map (kbd "C-c a") 'go-test-current-project)
(define-key map (kbd "C-c m") 'go-test-current-file)
(define-key map (kbd "C-c .") 'go-test-current-test)
(define-key map (kbd "C-c b") 'go-run)
(define-key map (kbd "C-c d") 'godef-jump)
(define-key map (kbd "C-c C-j") 'avy-goto-word-or-subword-1)
(define-key map (kbd "C-h f") 'godoc-at-point))
;; 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)
;; 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))
(setq siren-go-mode-hook 'siren-go-mode-defaults)
(add-hook 'go-mode-hook (lambda ()
(run-hooks 'siren-go-mode-hook)))))
(provide 'siren-go)
;;; siren-go.el ends here