Enable clang format with an attempt at automatic detection of a format conf...

Joel Grunbaum

2021-12-22 aa97b3ac76e7c74c555cb64cf6353f1d32859f4a

Enable clang format with an attempt at automatic detection of a format
config file

 config.org

@@ -1032,19 +1032,29 @@
**** Clang-format

Automatically format buffer on save.

#+BEGIN_SRC emacs-lisp

  (when (file-exists-p "/usr/share/clang/clang-format.el")

    (load "/usr/share/clang/clang-format.el")

    (setq clang-format-linux-style (concat "{BasedOnStyle: LLVM,"

                                           "IndentWidth: 8,"

                                           "UseTab: Always,"

                                           "BreakBeforeBraces: Linux,"

                                           "AllowShortIfStatementsOnASingleLine: false,"

                                           "IndentCaseLabels: false}"))

    (setq-default clang-format-style clang-format-linux-style)

    (defun clang-format-on-save ()

      (add-hook 'before-save-hook 'clang-format-buffer nil t))

    (add-hook 'c-mode-hook 'clang-format-on-save nil t)

    (add-hook 'c++-mode-hook 'clang-format-on-save nil t))

      (defun set-clang-format-style ()

          (if (file-exists-p (concat

                              (projectile-project-root)

                              ".clang-format"))

              (setq-local clang-format-style nil)

            (setq-local clang-format-style (concat "{BasedOnStyle: LLVM,"

                                                   "IndentWidth: " (format "%s" tab-width) ","

                                                   "UseTab: " (if (eq indent-tabs-mode nil)

                                                                  "Never"

                                                                "AlignWithSpaces")

  ","

                                                   "BreakBeforeBraces: Linux,"

                                                   "AllowShortIfStatementsOnASingleLine: false,"

                                                   "IndentCaseLabels: false}"))))



      (use-package clang-format

        :ensure t

        :hook (c-mode-common . (set-clang-format-style)))



      ;;   (defun clang-format-on-save ()

      ;;     (add-hook 'before-save-hook 'clang-format-buffer nil t))

      ;;   (add-hook 'c-mode-hook 'clang-format-on-save nil t)

      ;;   (add-hook 'c++-mode-hook 'clang-format-on-save nil t))

#+END_SRC

*** emacs-lisp

**** COMMENT Company