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Improve tab stop handling and electric operators for Go

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Gerard Vermeulen 2025-01-23 10:55:03 +01:00
parent f4053d8246
commit 5881f5fc53
1 changed files with 39 additions and 2 deletions
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@ -4509,7 +4509,22 @@ Links to learn [[https://go.dev/][Go]] are:
#+name: lst:setup-go
#+begin_src emacs-lisp -n :results silent
(when (featurep 'treesit)
(setopt go-ts-mode-indent-offset 2)
(setopt go-ts-mode-indent-offset 8) ; for compatibility with Go tools.
(defun gots2tabs ()
"Set tab stops to 2 spaces locally in current go-ts buffer."
(interactive)
(when (eq major-mode 'go-ts-mode)
(setq-local go-ts-mode-indent-offset 2)
(setq-local tab-width 2)))
(defun gots8tabs ()
"Set tab stops to 8 spaces locally in current go-ts buffer."
(interactive)
(when (eq major-mode 'go-ts-mode)
(setq-local go-ts-mode-indent-offset 8)
(setq-local tab-width 9)))
(add-to-list 'auto-mode-alist `(,(rx ".go" eos) . go-ts-mode)))
#+end_src
@ -5264,8 +5279,30 @@ add spaces around operators for [[https://go.dev/][Go]] and [[https://www.python
#+begin_src emacs-lisp -n :results silent
(when (ensure-package-installation 'electric-operator)
;; electric-operator-mode does not handle all operators in Go correctly.
;; (add-hook 'go-ts-mode-hook #'electric-operator-mode)
(add-hook 'go-ts-mode-hook #'electric-operator-mode)
(add-hook 'python-mode-hook #'electric-operator-mode))
(with-eval-after-load 'electric-operator
;; https://go.dev/ref/spec#Operators
(apply #'electric-operator-add-rules-for-mode 'go-mode
(electric-operator-get-rules-for-mode 'prog-mode))
(electric-operator-add-rules-for-mode 'go-mode
(cons "*" #'electric-operator-c-mode-*)
(cons "&" #'electric-operator-c-mode-&)
(cons "++" #'electric-operator-c-mode-++)
(cons "--" #'electric-operator-c-mode---)
(cons "!=" " != ")
(cons "&&" " && ")
(cons "&^" " &^" )
(cons "//" " // ")
(cons ":=" " := ")
(cons "<-" " <- ")
(cons "<<" " << ")
(cons "<=" " <= ")
(cons "==" " == ")
(cons ">=" " >= ")
(cons ">>" " >> ")
(cons "||" " || ")))
#+end_src
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