93 lines
3.1 KiB
EmacsLisp
93 lines
3.1 KiB
EmacsLisp
;;; prelude-go.el --- Emacs Prelude: Go programming support.
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;;
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;; Author: Doug MacEachern
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;; URL: https://github.com/bbatsov/prelude
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;; This file is not part of GNU Emacs.
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;;; Commentary:
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;; Prelude configuration for Go
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;;; License:
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License
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;; as published by the Free Software Foundation; either version 3
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;; of the License, or (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Code:
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(require 'prelude-programming)
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(require 'prelude-lsp)
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(prelude-require-packages '(go-mode
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go-projectile
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lsp-mode
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lsp-ui
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company
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gotest))
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(require 'go-projectile)
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;; Ignore go test -c output files
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(add-to-list 'completion-ignored-extensions ".test")
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(define-key 'help-command (kbd "G") 'godoc)
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;; Fix: super-save will cause go files to be saved when lsp-mode does
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;; certain things, triggering lsp-format-buffer. This causes, inter alia,
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;; commas to disappear when typing go function invocations
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(add-to-list 'super-save-predicates
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(lambda () (not (eq major-mode 'go-mode))))
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(with-eval-after-load 'go-mode
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(defun prelude-go-mode-defaults ()
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;; Add to default go-mode key bindings
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(let ((map go-mode-map))
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(define-key map (kbd "C-c a") 'go-test-current-project) ;; current package, really
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(define-key map (kbd "C-c m") 'go-test-current-file)
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(define-key map (kbd "C-c .") 'go-test-current-test)
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(define-key map (kbd "C-c b") 'go-run)
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(define-key map (kbd "C-h f") 'godoc-at-point))
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;; Prefer goimports to gofmt if installed
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(let ((goimports (executable-find "goimports")))
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(when goimports
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(setq gofmt-command goimports)))
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;; stop whitespace being highlighted
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(whitespace-toggle-options '(tabs))
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;; CamelCase aware editing operations
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(subword-mode +1))
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;; if yas is present, this enables yas-global-mode
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;; which provides completion via company
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(if (fboundp 'yas-global-mode)
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(yas-global-mode))
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;; configure lsp for go
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(defun lsp-go-install-save-hooks ()
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(add-hook 'before-save-hook #'lsp-format-buffer t t)
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(add-hook 'before-save-hook #'lsp-organize-imports t t))
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(add-hook 'go-mode-hook #'lsp-go-install-save-hooks)
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(add-hook 'go-mode-hook #'lsp-deferred)
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(setq prelude-go-mode-hook 'prelude-go-mode-defaults)
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(add-hook 'go-mode-hook (lambda ()
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(run-hooks 'prelude-go-mode-hook))))
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(provide 'prelude-go)
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;;; prelude-go.el ends here
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