Files
.emacs.d/modules/languages/siren-golang.el

127 lines
3.1 KiB
EmacsLisp

;;; siren-golang.el --- jimeh's Emacs Siren: go-mode configuration.
;;; Commentary:
;; Basic configuration for go-mode.
;;; Code:
(require 'siren-company)
(require 'siren-flycheck)
(require 'siren-folding)
(require 'siren-lsp)
(require 'siren-projectile)
(add-to-list 'projectile-globally-ignored-directories "Godeps")
(add-to-list 'projectile-globally-ignored-directories "vendor/github.com")
(add-to-list 'projectile-globally-ignored-directories "vendor/gopkg.in")
(use-package go-mode
:mode "\\.go\\'"
:interpreter "go"
:commands go-mode
:bind (:map go-mode-map
("RET" . newline-and-indent)
("C-h f" . godoc-at-point))
:hook
(go-mode . siren-go-mode-setup)
:init
(defun siren-go-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)
(setq tab-width 4)
(whitespace-toggle-options '(tabs))
(company-mode +1)
(lsp)
(highlight-symbol-mode -1)
(hs-minor-mode 1)
(hideshowvis-enable)
(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 go-dlv
:commands dlv dlv-current-func)
(use-package go-eldoc
:defer t
:diminish eldoc-mode
:commands go-eldoc-setup
:hook (go-mode . go-eldoc-setup))
(use-package go-guru
:after go-mode
:bind (:map go-mode-map
("C-c C-j" . go-guru-definition)
("C-c b" . pop-tag-mark))
:hook (go-mode . siren-go-guru-setup)
:init
(defun siren-go-guru-setup ()
(setq go-guru-hl-identifier-idle-time 0.1)
(go-guru-hl-identifier-mode 1))
:config
(custom-set-faces
'(go-guru-hl-identifier-face ((t (:background "gray30"))))))
(use-package go-rename
:after go-mode
:bind (:map go-mode-map
("C-c ." . go-rename)))
(use-package gotest
:after go-mode
:bind (:map go-mode-map
("C-c , a" . go-test-current-project)
("C-c , v" . go-test-current-file)
("C-c , s" . go-test-current-test)
("C-c , c" . go-test-current-coverage)
("C-c , b" . go-test-current-benchmark)
("C-c , B" . go-test-current-project-benchmarks)
("C-c , r" . go-run)))
(use-package go-projectile
:after go-mode
:hook (go-mode . siren-go-projectile-setup)
:init
(defun siren-go-projectile-setup ()
;; prevent go-projectile from screwing up GOPATH
(setq go-projectile-switch-gopath 'never)))
(use-package flycheck-gometalinter
:defer t
:after go-mode
:commands flycheck-gometalinter-setup
:hook (flycheck-mode . flycheck-gometalinter-setup)
:init
(setq flycheck-gometalinter-fast t
flycheck-gometalinter-tests t
flycheck-gometalinter-vendor t))
(use-package go-playground
:commands go-playground)
(provide 'siren-golang)
;;; siren-golang.el ends here